关于泵的几个英文词汇
和泵的原理、分类有关的：
Double head type
双头
dual head
双头
Single head type
单头
Rocking Pistion Pump
摆动式活塞泵
Diaphragm Pump
隔膜泵
linear pump
直线泵原理介绍：
https://blog.csdn.net/qq_21370051/article/details/108616801
Air compressor only
compressor
n.压气机; 压缩机;
Free Flow Rate:
空载流量
flow discharge/ flow rate
流量
oil - less
无油的
pole
电极
Head connection for Dual Head
Paralled connection
并联
Serial connection
串联
扩展：
流体力学常用名词：
https://wenku.baidu.com/view/bd3755f5bb1aa8114431b90d6c85ec3a86c28b8d.html