她们如水声一般，拥有着柔弱的身躯和刚强的心。
They sound like water in general, with the strong and weak of body and heart.
爱如水一般蔓延，浸过你的神经。
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.
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