pressure relief valve 压力释放阀 ; [机] 减压阀 ; 溢流阀
back pressure relief valve 背压安全阀
high pressure relief valve 高压释放阀 ; 高压安全阀
pressure relief valve ball [机] 限压阀钢球
pressure-relief valve plunger 减压阀柱塞
oil pressure relief valve spring 油压安全阀簧 ; 限压阀弹簧
oil pressure relief valve nut 油压安全阀螺母
oil pressure relief valve body 油压安全阀体
Finally, Dad turned off the stove, the pot began to cool and the pressure relief valve sprayed out a cloud of steam.
最后，爸爸关上了炉子，锅开始降温，然后解压阀喷出了一股水汽。
3 SEC The PORV (pressure relief valve) opens automatically, releasing steam into a holding tank.
3秒减压阀自动打开，将蒸汽释入一个储存罐。
A test and pressure relief valve should be installed to assure relief of internal pressure prior to servicing and as a visual indication of trap operation.
应该安装一个测试和压力安全阀，确保内部压力能够在维修前得到释放，并作为疏水阀工作的直观显示。
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