balancing valve

• 平衡阀

balancing valve的用法和样例：

例句

1. Isolate all circuits by closing the zone valves and purge and balancing valves.
   通过关闭区域阀门和排气平衡阀来隔离所有循环回路。
2. The delivery pressure acting on the spring loaded diaphragm throttles the balanced valve to control the pressure.
   水输出压力在弹簧负载隔膜的作用下对平衡阀进行节流调节，以控制水压。