穿孔的

Objective To study the clinical effect of indoform and calcium hydroxide paste.

目的探氢氧化钙治疗髓腔穿孔的疗效。

Conclusion:Omental sac pneumatosis is an earliest X-ray manifestation of acute perforation of gastroentestine.

网膜囊积气征是胃肠急性穿孔的一个最早X线征象。

Objective:To investigate Perioperative nursing of morioplasty of perforation of duodenal ulcer under laparosope.

探腹腔镜下十二指肠溃疡穿孔修补术的围手术期护理。

The briefing covers quality of the shell pierced by the three-high piercing mill, thespecific rolling failures and countermeasures thereagainst.

简要地介绍了辊穿孔机所穿毛管的质量及该穿孔机特有的轧制故障和预防措施。

Piercing mill is the most important equipment on the rolling pipe line,and the frame is the nucleal component of the piercing mill.

穿孔机是轧制钢管的重要设备,而机架又是穿孔机的核心组部。

Research on the failure reasons of the cooling tube were carried out by means of macroexamination, thickness measurement, X ray diffraction, optical microscopy and chemical analysis.

采用宏、微观析、化析等手段,对冷却水管的腐蚀穿孔进行了失效析。