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vacuum pumping短语解释_vacuum pumping词组用法_vacuum pumping短语词组_乐豆毛深蓝词典
乐豆毛深蓝词典

vacuum pumping

V 开头单词

短语词组

    短语

  • vacuum -pumping deaerating device 抽真空除气装置
  • equipment vacuum -pumping 真空泵设备
    • 返回 vacuum pumping