oil retainer

基本解释油环档圈,润滑油保持环,护油圈

网络释义

1)oil retainer,油环档圈,润滑油保持环,护油圈2)oil-ring retainer,油环档圈3)oil ring,油环护油圈4)oil-retaining ring,润滑油保持环5)oil retainer ring,润滑油档油环6)oil control ring,护油圈;护油环

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