oil wel油井
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil-polluted water含油污水
oil-measuring pump计量油泵
oil felt pad asphalt油毡沥青
oil for food program石油换食品的计划
oil-quenching tank淬火油槽
oil controlled valve液动阀,液压控制阀
oil-tight bulkhead不透油隔膜
oil and gas pipeline输油输气管道
oil alternative fuel石油替代燃料
oil injection header注油总管