oil shale retort [化學(xué)]油頁巖乾餾爐oil shale residue [機(jī)械工程]油頁巖灰渣oil shale recovery [土木建築工程]油頁巖開採oil shale n. [油氣] 油頁巖oil sesame [經(jīng)濟(jì)學(xué)]麻油oil separator [車輛][油氣][機(jī)] 油分離器;[車輛][油氣][機(jī)] 油氣分離器oil separation 油分離oil seepage 油漏,油滲漏oil seed oil seal ring 油封環(huán)oil seal retainer [交通運輸工程]護(hù)油圈油封護(hù)圈oil seal [機(jī)] 油封oil scrubber [經(jīng)濟(jì)學(xué)]油洗滌器oil scraping ring [機(jī)械工程]刮油環(huán)oil scraper ring 刮油圈;[機(jī)] 刮油環(huán)oil scraper piston ring [經(jīng)濟(jì)學(xué)]刮油活塞環(huán)oil save-all [交通運輸工程]防止濺油裝備oil saponification value [數(shù)學(xué)]油皂化值oil sand [鑛物] 油砂oil rub resistance [材料科學(xué)]抗油汙