“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	fire fire accident fire accident loss statistics fire administrative coercion fire administrative punishment fire alarm and fire fighting linkage system fire alarm and gas detector system fire alarm control units fire alarm indicating device fire alarm system fire alarm telephone fire and explosion accident of oil and gas pipeline fire and explosion accident of oil depot fire and explosion prevention management of oil and gas stations fire and explosion prevention technology of oil depot firearm injury firearm mark examination firearm permit firearms firearms of the Qing Dynasty firearm wound fire assay fire assaying fireball fireball model

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