return oil check valve 回油单向阀
oil return check valve 回油止回阀
oil-actuated check valve 油动逆止阀
oil pressure check valve 油压止回阀
oil flow check valve 油流单向阀
oil ball check valve 机油泵单向球阀
oil inlet check valve 滑油进口单向阀门
oil cooler check valve 机油冷却器单向阀
oil-pressure check valve 油压止回阀
Check 3-way fuel oil selection valve located before fuel oil pump unit and change the 3-way valve to MDO/MGO side.
检查位于燃油输送泵前的三通燃油切换阀，并转换到MDO侧。
The filter member includes a filtering part to filter oil, a second orifice to rectify oil flow, and a check valve to permit oil to flow back when braking operation is released.
该过滤器的成员包括一个过滤器的一部分石油，第二个孔，以纠正油流，单向阀，允许石油回流时，制动操作释放。
When accumulator is not used for a long period, the check-valve shall be closed to ensure that the oil pressure is above that charging pressure.
装置长期停止使用时，应关闭油口与压力油管之间的截止阀，保持蓄能器的油压在充气压力以上。
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