emergency pressure reducing valve

例句：

1. 1.The emergency pressure reducing valve is used toreduce the pressure in the pipeline during anemergency.
   紧急压力降低阀门用于在紧急情况下降低管道内的压力。
2. 2. The emergencypressure reducing valve was designedto prevent leaks during apower outage.
   紧急压力降低阀门被设计成在停电时防止泄漏。
3. 3. Themaintenance crew replaced the old emergency pressure reducingvalve with a new one.
   维修团队用一个新的紧急压力降低阀门替换了旧的。