oil wayn.润滑油槽(油路;加油孔)
oiln.油;油画颜料;奉承话v.涂油;溶化;加油
oil-hydrogen mixture油与氢气的混合物
oil-mist lubrication油雾润滑
oil return temperature回油温度
oil pressure indicator油压指示器
oil-less lubrication微量润滑
oil refining equipment炼油设备
Oil project at the sea海上油田石油工程
Oil and Gas Reservoirs油气藏
oil transmission force油料输送力量
oil pipe joint packing油管接头垫