rotary-type pump 旋转泵

rotary vane type pump 旋转式叶片泵 ; 回转叶片式泵

piston type rotary pump 活塞式回转泵

rotary type fuel feed pump 旋转式供油泵

roller-type rotary pump 滚轴式回转泵

rotary type oil pump 转子式机油泵

rotary type circulating water pump 旋转式循环水泵

sliding-vane-type rotary pump 滑动叶片式回转泵