automatic lubrication的用法和样例：
例句
- The automatic lubricating system ensures machine precision and protongs service life.
自动润滑系统，确保机器精密度和使用寿命。 - The driving mechanism is totally enclosed in the machi-ne boby and its lubrication system improves the lifetime of the mechanical components.
机械传动系统全部封闭在机体内，并附有自动润滑系统，提高了机件的寿命。
