A constriction in a powder pump that USES compressed air to lift and transport powder from feed system to the spray gun.

在粉末泵中的收缩能够使压缩空气从喂料系统到喷粉枪提升和搬运粉末。

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Feed pump system, which may comprise of one or more pumps to distribute the feedwater to the membrane units.

水泵系统，可能包括一项或一项以上的给水水泵分发单位膜。

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TUPWR algorithm was adopted for the pump turbine model, SFPUMP for feed pump system, SOVLV for minimal flow valve, and pressure node for calculating the discharge rate of the pump.

给水泵汽轮机模型采用TUPWR算法，给水泵系统采用SFPUMP算法，最小流量阀采用SOVLV算法，泵出口流量的关系采用压力节点进行计算。

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