“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	packing box seal packing coefficient packing density packing design packing dimension packing effect packing factor packing fraction packing light,surreptitious performance packing material packing measure packing of spheres packing polyhedron packing problem packing ratio packing structure packing textiles for dangerous products packing textiles for fillers packing textiles for fragile products packing textiles for storage and transportation PAC learning paclitaxel paclitaxel; taxol paclobutrazol PACM

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