短语词组短语splash lubricated 飞溅润滑的lubricated point 润滑点lubricated shaft 润滑轴lubricated track 润滑履带lubricated pin 润滑销lubricated wear 润滑摩擦gears lubricated 润滑齿轮lubricated maintenance 润滑维护 返回 lubricated