C. arc welding equipment.It can use a great variety of brands of welding rod to undergo D.C. manual electirc arc welding.In particular, it also can be used as carbon arc air gouging machine.是什么意思_C. arc welding equipment.It can use a great variety of brands of welding rod to undergo D.C. manual electirc arc welding.In particular, it also can be used as carbon arc air gouging machine.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句