automatic lubrication的用法和樣例：
例句
- The automatic lubricating system ensures machine precision and protongs service life.
自動(dòng)潤滑系統，確保機器精密度和使用壽命。 - The driving mechanism is totally enclosed in the machi-ne boby and its lubrication system improves the lifetime of the mechanical components.
機械傳動(dòng)系統全部封閉在機體內，并附有自動(dòng)潤滑系統，提高了機件的壽命。
