main duct是什么意思

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用法例句

Present difficult,couse analysis,couutermeasures and obtained effect on the running of hot oil furnace reactor,feeding pipe,and heavy end unit after SAN unit putting into production are reviewed in this paper.

介绍了吉林石化公司合成树脂厂2SAN装置投产运行后热油炉、反应釜、加料总管、重组分存在的问题,并对其原因进行了分析,提出了解决方案,取得了较好的效果。

Feasibility and safety of repairing dog common bile duct with laser welding assisted with chemical glue following placing degradable stent in it;

CO_2激光焊接辅以化学胶Ⅰ期修复犬内置可降解支架胆总管的可行性及安全性

Effect of reversible partial obstruction of common bile duct on function of sphincter of Oddi in dogs;

犬可复性胆总管不全梗阻对Oddi括约肌功能的影响

Comparative study of internal nasobiliary drainage and T-tube drainage after exploration of common bile duct;

胆总管探查后内置鼻胆管与T管的比较研究

Objective To study the diagnostic value of MRCP in cholangiocarcinoma.

目的探讨磁共振胰胆管成像(MRCP)对胆总管癌的诊断价值。