“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	grass products processing grass products sampling grassroots grassroots media grassroots-organization grassroots self-governing organization grassroots sports organizations grass-roots units grassroots village grass seeder grass skiing field grass snake grass swale grass tetany grasstoots committee of Chinese Communist Youth League grass variety Grass Variety Approval Committee of China grass variety degradation grass variety selection grass variety stability grass variety uniformity grass weed grassy weed grate grate discharge ball mill

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