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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_果味酸柯林斯词典
果味酸柯林斯词典

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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