inert gas shield的意思|示意

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。

This paper introduces the structure of an inert gas -shield equipment for titanium alloy and other active metal welding , functions of its corresponding parts and its working theory.

介绍了一台适合于钛合金及其它活性金属惰性气体整体保护焊接设备的结构、各部分的功能、设备的工作原理及使用效果。