oil control meaning in Chinese
润滑油调节
润滑油控制
油环（槽）
Examples
- Internal combustion engines - piston rings - oil control rings
内燃机.活塞环.护油环 - Oil control valves for oil burning appliances
油燃烧装置油量控制阀 - Coil spring loaded slotted oil control ring
螺旋弹簧加载双坡口油环 - Internal combustion engines - piston rings - coil - spring - loaded oil control rings
内燃机活塞环螺旋撑簧油环 - Refreshing and oil control shampoo
清爽控油洗发水