oil war石油战争
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil impregnated alloy浸油合金
oil-extended rubber油充橡胶,充油橡胶
oil pecan nut cracker山核桃破碎机
oil impregnated metal含油轴承合金
oil and gas inclusion油气包裹体
oil hydraulic circuit油压回路
oil demand and supply石油供需
oil/gas production油气生产
oil-can lubrication油壶润滑
oil and gas formation油气形成