oil control ring groove

基本解释油环环槽

网络释义

1)oil control ring groove,油环环槽2)oil ring groove,油环槽3)channel(ed) oil ring,开槽油环4)endless oil groove,环状油槽5)retainer oil seal groove,挡油环油槽6)slotted oil scraper ring,开槽刮油环

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