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backing weld短语解释_backing weld词组用法_backing weld短语词组_食材鋪反向词典
食材鋪反向词典

backing weld

B 开头单词

短语词组

    短語

  • backing g weld 用墊環的銲縫
  • backing groove of weld 銲縫反麪坡口
  • weld backing 銲接襯墊;銲縫襯墊;銲縫墊;銲縫背襯墊
  • nonfusible weld backing 非熔性銲接背墊
  • weld with backing ring 背麪墊環銲接
  • weld with backing strip 背麪墊板條銲接
    • 返回 backing weld