manual arc meaning in Chinese

手工焊弧

Power sources for manual arc welding with limited duty
限定使用范围的手工电弧焊的电源
Method for sound level measurement of manual arc welding and cutting processes
手工电弧焊和手工切割声级测量方法
Power sources for manual arc welding with limited duty . european standard en 50 060
限定工作负载的手工电弧焊用电源
Covered electrodes for manual arc welding . measuring of the complete coating moisture . test method
手工电弧焊用药皮焊条.药皮水总含量的测定方法
Electrode holder for manual arc welding with coated electrodes safety rules , specifications and tests
使用药皮焊条手工焊接用焊钳.安全规则规范和试验

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