gas l arc welding process
...气体金属电弧焊 Gas Metal Arc Welding process ; Gas l Arc Welding process ; gas metal arc welding ; gas metal arc welding,gas metal arc welding 半自动金属电弧焊 semiautomatic metal arc welding ;...
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gas l arc welding process
气弧焊工艺
以上为机器翻译结果，长、整句建议使用 人工翻译 。