During coronary angiography, a thin tube (catheter) is threaded through a blood vessel into the heart, where a special dye is injected.
在冠状动脉造影时，一个细管(导管)通过血管进入心脏，注入一种特殊的染料。
Laparoscopic, in which needle electrodes within a thin, plastic tube is threaded through a small hole in the skin in a procedure called a laparoscopy.
腹腔镜检查方式——其中电极针通过一个小孔在很细的塑料管进入组织。
He says a little machining needs to be done on the cathode tube, making a threaded bolt hub that is welded to the tube via an inert gas shield welder, or tig.
他说，一点点加工需要做的阴极管，螺纹螺栓作出枢纽这是焊接管通过一个惰性气体保护焊机，氩弧焊或。
The catheter, a tube with a camera and a LASER on the end, could he threaded into the gall bladder and pancreas.
这根导管，是前端装有照像机和激光的管子，可被导入胆囊和胰腺。
The catheter, a tube with a camera and a LASER on the end, could he threaded into the gall bladder and pancreas.
这根导管，是前端装有照像机和激光的管子，可被导入胆囊和胰腺。
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