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