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氦弧焊

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  1. heliarc welding
  2. helium arc welding

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malamute, Malan, malanders, Malang, malanga, malanite, malaoxon, malapaho, malapert, malapportion,

相似单词


骇异, , 氦层, 氦灯, 氦核, 氦弧焊, 氦化合物, 氦化学元素, 氦检测器, 氦检漏器,