oil wel油井
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
Oilfield Enterprisers油田企业
oil collecting system集油系统
oil-quenching steel油淬火钢
oil accumulating area聚油面积
oil-gas enterprises油气企业
oil-soluble pigment油溶性橘黄素
oil of orange flowers[化] 橙花油
oil-well wastewater油井废水
oil-field separator油气分离器
oil spilling accident溢油事故