relief pressure valve

例句：

1. 1. The relief pressure valve is used to relieve the pressure in the pipeline system.
   减压阀用于释放管道系统中的压力。
2. 2. The relief pressure valve was designed to prevent excessive pressure buildup in the system.
   减压阀被设计来防止系统内过度压力积累。
3. 3. During maintenance, the technicians need to check and adjust the relief pressure valve to ensure safe operation.
   在维护期间，技术人员需要检查并调整减压阀以确保安全运行。