oildom石油产区
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil film theory油膜理论
oil cake fodder油饼类饲料
oil of fleabane[化] 飞蓬油
oil gas process石油破坏蒸馏制造烃气的过程
oil-proofnessn.油稳定性
oil return hole回油孔
oilless hessian无油过滤麻布
oil-wipe ring刮油环
Oil tube thread油管螺纹
oil of angelica[化] 当归油