Easy in assembly, involves a mere couple of components per valve (actually one and a "half"), plus a control shaft per row of valves.
在装配简单，涉及到每一个阀组件(实际上是一个和“半”)，仅仅是夫妻，加上每行的阀门控制轴。
Control supply line water pressure. install a soft seated spring loaded check valve upstream of the assembly.
控制供应管道的水压。在总成的上游安装一个软阀座，弹簧负载止回阀。
Control supply line water pressure. install a soft seated spring loaded check valve upstream of the assembly.
控制供应管道的水压。在总成的上游安装一个软阀座，弹簧负载止回阀。
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