... double -impeller pump 双叶轮泵 double-stage pump 双级泵 double-suction pump 双吸式离心泵 ; 双吸泵双吸口泵 ...
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双级泵系统 two-grade pumps system
德国莱宝双级泵 TRIVAC
卧式单级双吸蜗壳泵 horizontal single-stage double-suction volute pump ; suction volute pump
双级离心泵 double-impeller pump
单级双吸离心泵 KQSX ; NSOW
双级旋涡泵 stage vortex pump ; double stage vortex pump ; double-stage vortex pump
双级耦合热泵 double stage coupling heat pump
双级热泵 double stage heat pump
单级或双级泵是通过橡胶膜片上下往复运动，引导气流通过泵头，形成真空状态。
One-stage or two-stage pumps feature up and down movement of flexible diaphragm during the mechanical stage which induces a flow of gas through the pump head, generating a vacuum.
双级水平中开泵为需要适度的高水头而设计，能提供一个很宽的流量范围。
Two Stage, Horizontally Split Case Pumps designed for applications requiring moderately high head over a wide range of flows.
它主要由多级离心泵、双级分离器、保护器、潜油电机、护罩、沉降分离器组成。
It is comprised of multiple stage centrifugal pump, double stage gas separator, protector, submersible motor, guard shield and setting gas separator.
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