rotary piston pump meaning in Chinese

回转式活塞泵
旋转活塞泵
旋转柱塞泵

Analysis on the unbalanced force of rotary piston pump
滑阀泵不平衡力的分析
Rotary piston pump with slide gate
滑阀式回转活塞泵
With the tenet of updating designing , keeping improving and customer being supreme , recently svec has developed more and more vacuum products , such as 2x series rotary vane vacuum pumps , h and h3 series rotary piston vacuum pumps , 2sk series water ring vacuum pumps , roots pump system with rotary piston pumps . roots pump system with rotary vane pumps , roots pump system with water ring pumps and etc . these products are also taken great attention by our former and user
秉承本公司一贯的设计理念和精益求精，用户至上的经营宗旨，本公司近来又先后开发了和国内同类主导产品具有良好互换性的2x系列旋片真空泵， h和h3系列滑阀真空泵、 2sk系列水环真空泵以及罗茨滑阀真空机组、罗茨旋片真空机组、罗茨水环真空机组等系列真空获得产品，推出市场以来，倍受用户关注。