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upset butt welding短语解释_upset butt welding词组用法_upset butt welding短语词组_菜篮子兴趣思朗文词典
菜篮子兴趣思朗文词典

upset butt welding

U 开头单词

短语词组

    短語

  • resistance upset -butt welding [機]電阻鍛壓對頂銲接
  • dc upset butt welding 直流電阻對銲
    • 返回 upset butt welding