“plunger pump”的概念、定义、翻译、参考文献-科学参考

单词	plunger pump
释义	plunger pump Encyclopedia 工学柱塞泵释 plunger pump柱塞泵转子式容积泵的一种。依靠柱塞在泵体内做往复运动，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。
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