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submerged-arc welding英英字典_submerged-arc welding剑桥英语解释_submerged-arc welding柯林斯英文解释_开心英文字典_柠咚词
开心英文字典

submerged-arc welding

S 开头单词

柯林斯词典

    submerged arc welding

  • 1. N a type of heavy electric-arc welding using mechanically fed bare wire with the arc submerged in powdered flux to keep out oxygen 潜弧焊

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