oilpalmn.油棕
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil/water partition coefficient油水分配系数
Oil Control Coordination Committee石油控制协调委员会
oil-water displacement mechanism水驱油机理
oil and gas accumulation mechanism油气成藏机理
oil production with water drainage排水采油
oil reservoir numerical simulation油藏数值模拟
oiling agents for synthetic fibers化纤油剂
oil-fuel injector needle-valve喷油器针阀
Oil-water partition coefficients油-水分配系数
Oil exports have risen steadily.石油出口已稳步上升。