oil pressure relief valve
油压卸压阀
油压泄压阀
油压泄放阀
油压安全阀
机油减压器
Pneumatic proportional pressure relief valve
pressure relief valve
减压阀
泄压阀
压力释放阀
卸压阀
减压安全阀
压力排放阀
安全阀
释压瓣
释压阀
油层压力
proportion pressure relief valve
2D digital relief valve
accumulator relief valve
计算机辅助设计
CAD（计算机辅助设计）
蓄能器安全阀
actual steering relief valve setting
adjustable relief valve
air reservoir relief valve
Alternating pressure relief bed mattress
atmospheric relief valve
大气释放阀
河南省南阳地质测试研究中心
大气安全阀
排空阀
对空排汽门
相空泄放阀
automatic resetting relief valve
automaticresetting relief valve
Blasting for Pressure Relief
boom head end relief valve
Cardiotomy suction relief valve
compensated relief valve