actual steering relief valve setting
High Temperature and High Pressure Valve
high temperature and high pressure valve body
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
high pressure high temperature
high pressure high temperature well
available motor pressure
motor pressure difference
distribution coefficient of manifold pressure head
distribution coefficient of manifold pressure head variation