短語詞組短語Oil -foot tube 機油尺管crude oil of oil foot Twitchell 法foot oil 渣滓油;油腳;腳油;下腳油naphthenic foot oil 環(huán)烷基石油mixed foot oil 混合基石油hybrid -foot oil 混合基石油neats foot oil 牛腳油 返回 oil foot