oil-ring retainer是什么意思

网络释义

1)oil-ring retainer,油环档圈2)oil retainer,油环档圈，润滑油保持环，护油圈3)oil thrower,抛油圈，档油圈4)oil deflector,档油环5)oil-ring retainer,油环挡圈6)oil catch-ring,档油环，集油环

Upgrading on bearing oil deflector of air tight turbine;

气密式汽轮机轴承档油环的改造