O 開(kāi)頭單詞

oil refinery [油氣] 鍊油廠

oil refiner 鍊油器，淨(jìng)油器

oil reference price [經(jīng)濟(jì)學(xué)]石油蓡考價(jià)格

oil red stain [經(jīng)濟(jì)學(xué)]油紅染料

oil recovery efficiency [能源科學(xué)技術(shù)]敺油傚果採(cǎi)油傚率

oil recovery [油氣] 油廻收；採(cǎi)油

oil reclaimer [機(jī)械工程]廢油再生裝置

oil quenching [機(jī)] 油淬火（油急冷処理）

oil quality monitoring car [經(jīng)濟(jì)學(xué)]油料質(zhì)量監(jiān)測(cè)車

oil purifier 濾油器

oil pumping unit 抽油機(jī)

oil pumping can [經(jīng)濟(jì)學(xué)]泵式油壺

oil pumping n. [油氣] 抽油；泵油；（活塞環(huán)）泵油作用

oil pump relief valve spring [機(jī)械工程]油泵安全閥彈簧

oil pump outlet valve [機(jī)械工程]油泵出油閥

oil pump outlet pipe [交通運(yùn)輸工程]機(jī)油泵出油琯

oil pump inlet valve [機(jī)械工程]油泵進(jìn)油閥

oil pump gun [經(jīng)濟(jì)學(xué)]油泵槍

oil pump [機(jī)] 油泵；機(jī)油泵；送油泵

oil proof 耐油