“positive displacement pump”的概念、定义、翻译、参考文献-科学参考

单词	positive displacement pump
释义	positive displacement pump Encyclopedia 工学容积泵释 positive displacement pump容积泵依靠活塞、柱塞、隔膜、齿轮或叶片等工作件在泵体内做往复运动或回转运动，使泵体内若干个工作腔的容积周期性变化，而交替地吸入和排出液体的一种泵。
随便看	passages for fire engines Passages from Shanghai Famous Artists' Yueju Opera Plays passage to the limit pass along rate passameter passamezzo Passarino Veltman reduction Passarino-Veltman reduction Passarino Veltman约化 Passarino-Veltman约化 passband passband width pass band width of frequency pass band-width of frequency pass box Pass by the Guanyin Rock Pass by the Tomb of Matteo and Mourn Him by the Way passche index pass design of section pass driving Passenger passenger cabin passenger car passenger cargo vessel passenger conveyor

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