以下为句子列表：
英文: If relief valve discharge due to a failure of the backflow preventer second check valve is a concern, a second Flood Protection - Shutdown Valve should be located immediately downstream of the backflow prevention assembly.
中文: 如果认为防回流阀的第二止回阀的故障导致安全阀排放现象应该得到处理，则应该在防回流阀总成下游立即安置第二堵漏-关闭阀。
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英文: NOTE: The use of the Watts Flood Protection - Shutdown Valve will stop all flow to the system or building and consideration should be given to the effects on equipment and processes located downstream of valve.
中文: 注：美国瓦茨堵漏-关闭阀的使用将中断整个系统或建筑物的所有流量，因此应该考虑对位于阀门下游的有关设备和工艺所造成的影响。
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