Receptionist in an attorney's office and a welder at a construction site.
律师事务所的接待员和建筑工地的焊工。
罗伯特是个穷焊接工。
Never operate the welder before the protective measures are ready.
不准在没有做好安全措施时操作机器。
It has a laser welder, a video display screen, and a buzzsaw.
它装备了一部激光焊机、一部视频显示屏和一个圆锯。
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；
All the moving parts of the welder shall be shut down during maintenance or repair.
在维护或维修机器时，要停止机器的所有运动部分。
With little no-load loss, compared to traditional welder, it can save electricity about50%.
空载损耗小，与传统焊机比，可节电50%。
With little no-load loss, compared to traditional welder, it can save electricity about50%.
空载损耗小，与传统焊机比，可节电50%。
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