This paper presents that there are two ways on the development of the positive displacement pump.

本文提出容积泵在发展中存在“常规发展”与“机构突破”两种途径。

Twin-screw pump as a positive displacement pump, pump room exhaust inhalation chamber should be strictly separated.

双螺杆泵作为一种容积式泵，泵内吸入室应与排出室严密地隔开。

The timing pump is a positive displacement pump set to ensure that product flows through the entire system at a predetermined and acceptable rate.

这种调速泵是一个容积式泵，用来确保产品以确定的可接受的速率流过整个设备。 收藏。

Double screw pump as a positive displacement pump, the pump suction chamber should be closely separated and discharge chamber inside.

双螺杆泵作为一种容积式泵，泵内吸入室应与排出室严密地隔开。

The concentrate delivery system employs a positive displacement pump.

浓缩物递送系统采用正位移泵。