The unique JET SKI watercraft feature of the fully enclosed impeller pump dramatically improved water safety over conventional outboard motors.

独特的喷气滑雪船舶功能的全封闭式叶轮泵，大大改进了传统的舷外马达的饮水安全。

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The air-jet exhauster is a compressed air-operated device for pump priming, provided that the pump has no foot valve. Water is induced into the pump by vacuum created by the exhauster.

以压缩空气为动力的气体引射器，它是用在无底阀水泵上的抽气引水设备，具有结构简单、加工制做容易、耗气量小、效率高等特点。

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A building water supply system in which jet-pump-aided and the inverter and PLC is used to realize the constant pressure of the water is inroduced.

概述了变频调速泵节能原理，针对高层建筑供水设施改造的实际情况，设计开发了一套射流泵辅助变频调速恒压供水系统。

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