基本解釋刮油圈；[機(jī)] 刮油環(huán)詞組短語(yǔ)短語(yǔ)oil l scraper ring 刮油圈oil scraper piston ring 刮油活塞環(huán)slotted oil scraper ring 開(kāi)槽刮油環(huán)grooved drum oil scraper ring 開(kāi)槽油環(huán)twin -rail oil scraper ring 雙片刮油環(huán)oil scraper ring更多詞組專業(yè)釋義機(jī)械工程括油環(huán)刮油圈刮油環(huán)油環(huán)