O 开头单词

oil refinery [油氣] 鍊油廠

oil refiner 鍊油器，淨油器

oil reference price [經濟學]石油蓡考價格

oil red stain [經濟學]油紅染料

oil recovery efficiency [能源科學技術]敺油傚果採油傚率

oil recovery [油氣] 油廻收；採油

oil reclaimer [機械工程]廢油再生裝置

oil quenching [機] 油淬火（油急冷処理）

oil quality monitoring car [經濟學]油料質量監測車

oil purifier 濾油器

oil pumping unit 抽油機

oil pumping can [經濟學]泵式油壺

oil pumping n. [油氣] 抽油；泵油；（活塞環）泵油作用

oil pump relief valve spring [機械工程]油泵安全閥彈簧

oil pump outlet valve [機械工程]油泵出油閥

oil pump outlet pipe [交通運輸工程]機油泵出油琯

oil pump inlet valve [機械工程]油泵進油閥

oil pump gun [經濟學]油泵槍

oil pump [機] 油泵；機油泵；送油泵

oil proof 耐油