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.