电弧焊工 meaning in English

arc weldor
arc-welding operator

The fcaw process shall not be used for the root pass of single - sided joints
药芯焊丝电弧焊工艺不用于单面焊接接头的根部焊道。
Health and safety in welding and allied processes - transparent welding curtains , strips and screens for arc welding processes
焊接和类似工艺的卫生和安全.电弧焊工艺用透明焊接屏板,屏带和遮光罩
Health and safety in welding and allied processes - transparent welding curtains , strips and screens for arc welding processes includes amendment a1 : 2001 ; german version en 1598 : 1997 a1 : 2001
焊接和相关工艺的健康保护和安全性.电弧焊工艺用透明