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1. The tank drainback system is designed to prevent water from leaking out of the tank during operation.
该水箱排水回程系统设计用于在操作过程中防止水从水箱泄漏。
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2. The tank drainback valve is responsible for controlling the flow of water back into the tank.
水箱排水回程阀门负责控制水流回水箱。
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3. The tank drainback system was installed to improve the efficiency of the wastewater treatment plant.
安装水箱排水回程系统是为了提高污水处理厂的效率。