“容积泵”的概念、定义、翻译、参考文献-科学参考

单词	容积泵
释义	容积泵 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	density gradient centrifugation density gradient method density hole density hypothesis density independence density-independent natural selection density inversion of gravity anomaly density inversion of gravity gradient density jump density logging density logging device density matrix density matrix renormalization group density matrix renormalization group theory density maxima density measurement density measurement using interferometry density measurement with schlieren method density measurement with shadow method density meter density method density metrology density metrology technology density modulation density of a distribution

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。