O 開頭單詞
oil shale retort [化學(xué)]油頁巖乾餾爐
oil shale residue [機械工程]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)濟學(xué)]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 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(xué)]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(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