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bull pump短语解释_bull pump词组用法_bull pump短语词组_骑士汉英词典
骑士汉英词典

bull pump

B 开头单词

短语词组

    短语

  • bull deep well pump 杆式深井泵
  • bull deep -well pump 杆式深井泵;油库泵
    • 返回 bull pump