1.  safety valve
2.  relief valve
3.  pressure relief valve

• 1. 安全阀: Safety Valves | safety valve | security valve
• 2. 管道安全阀: Piping Safety Valves | Air Safty Valve | in-line relief valve
• 3. 球形安全阀: ball relief valve | ball safety valve

更多释义

• 1.当锅炉的一个安全阀失灵时，居民们听到了一声巨响。
  Residents heard an enormous bang as a safety valve on the boiler failed.
  dict.yoduao.com
• 2.这项分析和单个火炬头的最大安全阀负荷有关。
  The analys is about the maximum safety valve load on each flare header.
  dict.yoduao.com
• 3.可以说，有一种安全阀还是存在的。
  There is, admittedly, a safety valve.
  dict.yoduao.com

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