交流电弧熔接机 alternating current arc welder; alternating current welder; alternating curren ..
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We used to weld pipes with direct current(D. C)are welder(alternating current A. C. welder).
我们老是用直淌(交换)电弧焊机焊接收子。
We used to weld pipes with direct current (D. c) are welder (alternating current A. C. welder).
我们老是用直源(交换)电弧焊机焊接收子。
We used to weld pipes with direct current D. C. arc welder alternating current, a.
我们总是用直流(交流)电弧焊机焊接管子。
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