-
Resistance welder Welding circuit Contact potential Contact resistance;
电阻焊机；焊接回路；接触电位差； 接触电阻；
youdao
-
It is perfect phase trigger circuit for arc welding power source...
该相控触发电路是晶闸管整流弧焊电源的理想触发电路。
youdao
-
It is perfect phase trigger circuit for arc welding power source...
该相控触发电路是晶闸管整流弧焊电源的理想触发电路。
youdao