“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	weight of a determined function weight of a functional element weight of a genetic algebra weight of a linear transformation weight of a matrix weight of a measurement weight of a modular form weight of an automorphic form weight of an integer weight of an invariant weight of a polynomial weight of a quadrature formula weight of a rational representation weight of a relation weight of a relative tensor weight of a representation weight of a semi-invariant weight of a space weight of a tensor weight of a tensor density weight of a theta-function weight of a topological space weight of a tree weight of a vertex weight of dried cocoon shell

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。