穿孔的

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

目探讨碘仿氢氧化钙治疗髓腔疗效。

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一个最早X线征象。

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

探讨腹腔镜下十二指肠溃疡修补术围手术期护理。

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

简地介绍了辊机所毛管质量及该机特有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.

机是轧制钢管备,而机架又是机核心组成部分。

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、微观分析、化学成分分析等手段,对冷却水管腐蚀进行了失效分析。