自吸式水泵第一次使用时，需要加引水，以后则不必再加引水。
Self suction pump is used for the first time, need to add water, then don't need to add water.
洒水车配备的是离心式洒水泵，该泵每次吸水前，必须向水泵内加入一定量的引水，加完后必须关闭加水口。
Sprinkler is equipped with a centrifugal pump, the pump every time before water, must be added to a certain amount of water to the pump, plus the need to close the water inlet.
如水泵安装在进水水位以上时，为了灌泵启动，一般可装底阀，也可采用真空泵引水的方法。
In general, a foot valve can be mounted if the pump is mounted above the water level of the water inlet so as to start the pump with priming, it can also use the way of vacuum pump water leading.
立轴旋涡在水电站引水管道、导流隧洞、溢洪道、水泵站等进水口前时有发生。
The vertical vortex frequently occurs at hydraulic intakes such as diversion pipeline, diversion tunnel, spillway and pumping station.
当Torrium检测到“进水口失水”情况，它会先等5分钟，再开始自动重试模式，通过这个过程它可以重新启动水泵并观察引水问题是否可自动被解决。
When the Torrium detects "loss of prime" it waits 5 minutes then goes into auto retry mode, whereby it will restart the pump to see if prime can be re-established automatically.
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。
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。
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.
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