oil cupn.油杯;油壶
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
Oil cooling electric drive drum油冷式电动滚筒
oil-in-water drilling fluid水包油钻井液
Oil- and gas-bearing system含油气系统
Oil Reservoir Distribution Laws油层分布规律
oil and gas production increase油气增产
Oil seeds and oleaginous fruits含油的种子及果子类
oil and gas accumulation period油气成藏期次
oil-hydraulic type controller油压型控制器