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backing weld短语解释_backing weld词组用法_backing weld短语词组_果味酸柯林斯词典
果味酸柯林斯词典

backing weld

B 开头单词

短语词组

    短语

  • backing g weld 用垫环的焊缝
  • backing groove of weld 焊缝反面坡口
  • weld backing 焊接衬垫;焊缝衬垫;焊缝垫;焊缝背衬垫
  • nonfusible weld backing 非熔性焊接背垫
  • weld with backing ring 背面垫环焊接
  • weld with backing strip 背面垫板条焊接
    • 返回 backing weld