“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	low pressure chemical vapor deposition low pressure chemical vapor deposition, LPCVD low pressure chemical vapour deposition low pressure cold plasmas low-pressure die casting low pressure gradient low-pressure gradient low pressure operation low-pressure physics low-pressurepipe irrigation low pressure plasma low-pressure plasma low pressure polyethylene low pressure sodium lamp low pressure sodium(vapour) lamp low pressure turbine low prevalence effect low price strategy low probability of interception (LPI) radar low profile dump truck(LPDT) low-purity low radioactivity background experiment low rank approximation of matrix low-rank approximation of matrix low-rank matrix recovery

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