oil shale retort [化學]油頁巖干餾爐

oil shale residue [機械工程]油頁巖灰渣

oil shale recovery [土木建筑工程]油頁巖開采

oil shale n. [油氣] 油頁巖

oil sesame [經(jīng)濟學]麻油

oil separator [車輛][油氣][機] 油分離器；[車輛][油氣][機] 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]護油圈油封護圈

oil seal [機] 油封

oil scrubber [經(jīng)濟學]油洗滌器

oil scraping ring [機械工程]刮油環(huán)

oil scraper ring 刮油圈；[機] 刮油環(huán)

oil scraper piston ring [經(jīng)濟學]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]油皂化值

oil sand [礦物] 油砂

oil rub resistance [材料科學]抗油污