oil dag黑铅油
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil tank bottom plate油罐罐底
oil field producedter采油废水
oil distributing pipe配油管
oil and gas separator油气分离器
oil-pressure gau ge[化] 油压表
oil refining cauldron炼油锅
oil pollution residue石油污染残留
oil tubular capacitor油浸管状电容器
oil-metering system油计量系统
oil-state substance油状物