网络释义
1)pressure relief valve,压力排放阀;泄压阀;减压安全阀2)safety pressure relief valve,安全压力放泄阀3)release valve,排出阀,安全阀,释放阀,放泄阀,排气阀;释放卸压阀4)letdown valve,下泄阀,排放阀,减压阀5)relief valve,泄压阀,安全阀,泄放阀,减压阀,保险阀;卸压阀,溢流阀6)Drainage,discharge from safety and relief valves,排放,由安全阀和泄压阀泄放