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