Constant current output characteristics,deep melting penetration,even w-elding pool,and excellent weld.

具有恒流输出特征，熔透深，熔池均匀，焊缝成形良好。

In order to meet the requirment of producement improved Butt Joint Radioscopy Procedure, and required satifac-tory effects.

为了满足生产需要对椭圆封头拼接焊缝射线探伤工艺进行改进,并取得了满意效果。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板焊缝断裂韧度试样疲劳裂纹的“高K比法”。

Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained.

在热电偶标定测试的基础，通过实验获得了焊缝热影响区的实际热循环曲线。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架弧焊机器人焊缝图象的识别中起很好的效果。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过对焊缝金相显微结构的分析,结合计算机图形处理软件计算出焊缝的烧结密度。

In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.

介绍了一种焊缝X光图象自动识别跟踪系统。该系统用于焊缝的射线检测。从硬件和软件两个方面描述了系统的工作原理。

The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.

本文通过计算石墨型熔渣碱度,研究了钢芯同质铸铁焊条熔渣的碱度与熔渣微观结构和焊缝组织的关系。

During design and fabrication of offshore platform module, the shrink of wilding seam often causes interbedded crack on the main padeye plate and the column.

摘要在海组块吊点设计制造中，焊缝收缩往往导致主吊点板和立柱管壁出现层间裂缝。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线位焊接的、贯穿管子整个壁厚的细孔，可导致流体从该孔缓慢漏出。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.

当焊缝区域底片黑度变化超过透度计处黑度时，应在该处另加透度计。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位的无焊缝钢管暂时卸下一部分，以便工人们利用空位来装底舱。

Constant current output characteristics,deep melting penetration,even w-elding pool,and excellent weld.

具有恒流输出特征，熔透深，熔池均匀，焊缝成形良。

In order to meet the requirment of producement improved Butt Joint Radioscopy Procedure, and required satifac-tory effects.

为了满足生产需要对椭圆封头拼接焊缝射线探伤工艺进行改进,并取得了满意果。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板焊缝断裂韧度试样疲劳裂纹“高K比法”。

Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained.

在热电偶标定测试基础上，通过实验获得了焊缝热影响区实际热循环曲线。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架弧焊机器人焊缝图象起很果。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过对焊缝金相显微结构分析,结合计算机图形处理软件计算出焊缝烧结密度。

In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.

介绍了一种焊缝X光图象自动跟踪系统。该系统用于焊缝射线检测。从硬件和软件两个方面描述了系统工作原理。

The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.

本文通过计算石墨型熔渣碱度,研究了钢芯同质铸铁焊条熔渣碱度与熔渣微观结构和焊缝组织关系。

During design and fabrication of offshore platform module, the shrink of wilding seam often causes interbedded crack on the main padeye plate and the column.

摘要在海上平台组块吊点设计制造，焊缝收缩往往导致主吊点板和立柱管壁出现层间裂缝。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线上位焊接、贯穿管子整个壁厚细孔，可导致流体从该孔缓慢漏出。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢偏聚现象严重。

For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.

当焊缝区域底片黑度变化超过透度计处黑度时，应在该处另加透度计。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位无焊缝钢管暂时卸下一部分，以便工人们利用空位来装底舱。

Constant current output characteristics,deep melting penetration,even w-elding pool,and excellent weld.

具有恒流输出特征，熔透深，熔池均匀，焊成形良好。

In order to meet the requirment of producement improved Butt Joint Radioscopy Procedure, and required satifac-tory effects.

为了满足生产需要对椭圆封头拼接焊射线探伤工艺进行改进,并取得了满意效果。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板焊断裂韧度试样疲劳裂纹“高K比法”。

Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained.

在电偶标定测试基础上，通过实验获得了焊响区实际循环曲线。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架弧焊机器人焊图象识别中起很好效果。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过对焊金相显微构分析,合计算机图形处理软件计算出焊密度。

In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.

介绍了一种焊X光图象自动识别跟踪系统。该系统用于焊射线检测。从硬件和软件两个方面描述了系统工作原理。

The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.

本文通过计算石墨型熔渣碱度,研究了钢芯同质铸铁焊条熔渣碱度与熔渣微观构和焊组织关系。

During design and fabrication of offshore platform module, the shrink of wilding seam often causes interbedded crack on the main padeye plate and the column.

摘要在海上平台组块吊点设计制造中，焊收缩往往导致主吊点板和立柱管壁出现层间裂。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊线上位焊接、贯穿管子整个壁厚细孔，可导致流体从该孔缓慢漏出。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢偏聚现象严重。

For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.

当焊区域底片黑度变化超过透度计处黑度时，应在该处另加透度计。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位无焊钢管暂时卸下一部分，以便工人们利用空位来装底舱。

Constant current output characteristics,deep melting penetration,even w-elding pool,and excellent weld.

具有恒流输出特征，熔透深，熔池均匀，成形良好。

In order to meet the requirment of producement improved Butt Joint Radioscopy Procedure, and required satifac-tory effects.

为了满足生产需要椭圆封头拼接射线探伤工艺进行改进,并取得了满意效果。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板断裂韧度试样疲劳裂纹的“高K比法”。

Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained.

在热电偶标定测试的基础上，通过实验获得了热影响区的实际热循环曲线。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架弧机器图象的识别中起很好的效果。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过金相显微结构的分析,结合计算机图形处理软件计算出的烧结密度。

In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.

介绍了一种X光图象自动识别跟踪系统。该系统用于的射线检测。从硬件和软件两个方面描述了系统的工作原理。

The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.

本文通过计算石墨型熔渣碱度,研究了钢芯同质铸铁条熔渣的碱度与熔渣微观结构和组织的关系。

During design and fabrication of offshore platform module, the shrink of wilding seam often causes interbedded crack on the main padeye plate and the column.

摘要在海上平台组块吊点设计制造中，收缩往往导致主吊点板和立柱管壁出现层间裂。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指线上位接的、贯穿管子整个壁厚的细孔，可导致流体从该孔缓慢漏出。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.

当区域底片黑度变化超过透度计处黑度时，应在该处另加透度计。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位的无钢管暂时卸下一部分，以便工们利用空位来装底舱。

Constant current output characteristics,deep melting penetration,even w-elding pool,and excellent weld.

具有恒流输出特征，熔透深，熔池均匀，焊缝成良好。

In order to meet the requirment of producement improved Butt Joint Radioscopy Procedure, and required satifac-tory effects.

为了满足生产需要对椭圆封头拼接焊缝射探伤工艺进行改进,并取得了满意效果。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板焊缝断裂韧度试样疲劳裂纹的“高K比法”。

Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained.

在热电偶标定测试的基础上，通过实验获得了焊缝热影响区的实际热循环曲。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

方法运用于石油井架弧焊器人焊缝象的识别中起很好的效果。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过对焊缝金相显微结构的分析,结合计算处理软件计算出焊缝的烧结密度。

In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.

介绍了一种焊缝X光象自动识别跟踪系统。系统用于焊缝的射检测。从硬件和软件两个方面描述了系统的工作原理。

The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.

本文通过计算石墨型熔渣碱度,研究了钢芯同质铸铁焊条熔渣的碱度与熔渣微观结构和焊缝组织的关系。

During design and fabrication of offshore platform module, the shrink of wilding seam often causes interbedded crack on the main padeye plate and the column.

摘要在海上平台组块吊点设计制造中，焊缝收缩往往导致主吊点板和立柱管壁出现层间裂缝。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝上位焊接的、贯穿管子整个壁厚的细孔，可导致流体从孔缓慢漏出。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，处马氏体含量比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.

当焊缝区域底片黑度变化超过透度计处黑度时，应在处另加透度计。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位的无焊缝钢管暂时卸下一部分，以便工人们利用空位来装底舱。

Constant current output characteristics,deep melting penetration,even w-elding pool,and excellent weld.

具有恒流输出特征，透深，池均匀，焊缝好。

In order to meet the requirment of producement improved Butt Joint Radioscopy Procedure, and required satifac-tory effects.

为了满足生产需要对椭圆封头拼接焊缝射线探伤工艺进行改进,并取得了满意效果。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板焊缝断裂韧试样疲劳裂纹的“高K比法”。

Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained.

在热电偶标定测试的基础上，通过实验获得了焊缝热影响区的实际热循环曲线。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架弧焊机器人焊缝图象的识别中起很好的效果。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过对焊缝金相显微结构的分析,结合计算机图处理软件计算出焊缝的烧结密。

In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.

介绍了一种焊缝X光图象自动识别跟踪系统。该系统用于焊缝的射线检测。从硬件和软件两个方面描述了系统的工作原理。

The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.

本文通过计算石墨型渣碱,研究了钢芯同质铸铁焊条渣的碱渣微观结构和焊缝组织的关系。

During design and fabrication of offshore platform module, the shrink of wilding seam often causes interbedded crack on the main padeye plate and the column.

摘要在海上平台组块吊点设计制造中，焊缝收缩往往导致主吊点板和立柱管壁出现层间裂缝。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线上位焊接的、贯穿管子整个壁厚的细孔，可导致流体从该孔缓慢漏出。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.

当焊缝区域底片黑变化超过透计处黑时，应在该处另加透计。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位的无焊缝钢管暂时卸下一部分，以便工人们利用空位来装底舱。

Constant current output characteristics,deep melting penetration,even w-elding pool,and excellent weld.

具有恒流输出特征，熔透深，熔池均匀，焊缝成形良好。

In order to meet the requirment of producement improved Butt Joint Radioscopy Procedure, and required satifac-tory effects.

为了满足生产需要对椭圆封头拼接焊缝射线探伤工艺,并取得了满意效果。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板焊缝断裂韧度试样疲劳裂纹的“高K比法”。

Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained.

在热电偶标定测试的基础上，过实验获得了焊缝热影响区的实际热循环曲线。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架弧焊机器人焊缝图象的识别中起很好的效果。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

过对焊缝金相显微结构的分析,结合计算机图形处理软件计算出焊缝的烧结密度。

In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.

介绍了一种焊缝X光图象自动识别跟踪系统。该系统用于焊缝的射线检测。从硬件和软件两个方面描述了系统的工作原理。

The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.

过计算石墨型熔渣碱度,研究了钢芯同质铸铁焊条熔渣的碱度与熔渣微观结构和焊缝组织的关系。

During design and fabrication of offshore platform module, the shrink of wilding seam often causes interbedded crack on the main padeye plate and the column.

摘要在海上平台组块吊点设计制造中，焊缝收缩往往导致主吊点板和立柱管壁出现层间裂缝。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线上位焊接的、贯穿管子整个壁厚的细孔，可导致流体从该孔缓慢漏出。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.

当焊缝区域底片黑度变化超过透度计处黑度时，应在该处另加透度计。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位的无焊缝钢管暂时卸下一部分，以便工人们利用空位来装底舱。

Constant current output characteristics,deep melting penetration,even w-elding pool,and excellent weld.

具有恒流输出特征，熔透深，熔池均匀，焊缝成形良好。

In order to meet the requirment of producement improved Butt Joint Radioscopy Procedure, and required satifac-tory effects.

为足生产需要对椭圆封头拼接焊缝射线探伤艺进行改进,并取意效果。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出预制厚钢板焊缝断裂韧度试样疲劳裂纹“高K比法”。

Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained.

在热电偶标定测试基础上，通过实验获焊缝热影响区实际热循环曲线。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架弧焊机器人焊缝图象识别中起很好效果。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过对焊缝金相显微结构分析,结合计算机图形处理软件计算出焊缝烧结密度。

In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.

介绍一种焊缝X光图象自动识别跟踪系统。该系统用于焊缝射线检测。从硬件和软件两个方面描述系统原理。

The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.

本文通过计算石墨型熔渣碱度,研究钢芯同质铸铁焊条熔渣碱度与熔渣微观结构和焊缝组织关系。

During design and fabrication of offshore platform module, the shrink of wilding seam often causes interbedded crack on the main padeye plate and the column.

摘要在海上平台组块吊点设计制造中，焊缝收缩往往导致主吊点板和立柱管壁出现层间裂缝。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指焊缝线上位焊接、贯穿管子整个壁厚细孔，可导致流体从该孔缓慢漏出。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在焊缝根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢偏聚现象严重。

For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.

当焊缝区域底片黑度变化超过透度计处黑度时，应在该处另加透度计。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位无焊缝钢管暂时卸下一部分，以便人们利用空位来装底舱。

Constant current output characteristics,deep melting penetration,even w-elding pool,and excellent weld.

具有恒流输出特征，，池均匀，成形良好。

In order to meet the requirment of producement improved Butt Joint Radioscopy Procedure, and required satifac-tory effects.

为了满足生产需要对椭圆封头拼接射线探伤工艺进行改进,并取得了满意效果。

A high K ratio method for fatigue precracking in welding position toughness specimen of thick steel plate was developed.

提出了预制厚钢板断裂韧度试样疲劳裂纹的“高K比法”。

Based on the thermojunction assignment test, actual thermal cycling curve of welded seam heat-affected zone is obtained.

在热电偶标定测试的基础上，通过实验获得了热影响区的实际热循环曲线。

Utilized this method to segmentalize the image of oil derrick arc welding robot welding line gets up the good effect.

将该方法运用于石油井架弧机器人图象的识别中起很好的效果。

The effects of carbonous density and solid volume loading on the microstructures, and the performance of the new method were investigated.

通过对金相显微结构的分析,结合计算机图形处理软件计算出的烧结密度。

In this paper,one X-ray image autotrack system for weld radiographic inspection is introduced, and itsworking principle is described from the hardware and software.

介绍了一种X光图象自动识别跟踪系统。该系统用于的射线检测。从硬件和软件两个方面描述了系统的工作原理。

The relationship between basicity of graphitiferous slag and microstructurcs of both slag and weld metal arc investigated for the same electrode with cast iron.

本文通过计算石墨型渣碱度,研究了钢芯同质铸铁条渣的碱度与渣微观结构和织的关系。

During design and fabrication of offshore platform module, the shrink of wilding seam often causes interbedded crack on the main padeye plate and the column.

摘要在海上平台块吊点设计制造中，收缩往往导致主吊点板和立柱管壁出现层间裂。

Pinhole. A short unwelded area in the weld line extending through the entire pipe so that fluid will leak out through the area very slowly.

针孔。指线上位接的、贯穿管子整个壁厚的细孔，可导致流体从该孔缓慢漏出。

The crack initiates at stress concentration point in the root of weld, where has much more martenite, carbide and inclusion, and the serious hydrogen segregation.

裂纹均在根部应力集中处萌生，该处马氏体含量比较大，碳化物及夹杂物较多，氢的偏聚现象严重。

For areas where the film density through the weld varies by more than from the density through the penetrameter, an additional penetrameter shall be used for those areas.

当区域底片黑度变化超过度计处黑度时，应在该处另加度计。

Please unload a part of the weldless steel tubes in Hatch No.3 hatchway for the present so as to the stevedores can use the opening to fill in the lower hold.

请把三舱舱口位的无钢管暂时卸下一部分，以便工人们利用空位来装底舱。