lubricating oil drain and cooler tank

例句：

1. 1. The engineneeds regular lubrication to maintain proper functioning.
   发动机需要定期润滑以保持正常运作。
2. 2. The coolant tank is essential for maintaining the vehicle's temperature during hot weather conditions.
   冷却液罐对于在炎热天气条件下维持车辆温度至关重要。
3. 3.The technician carefully drained the oil from the lubrication oil drain and cooler tank before performing the maintenance work.
   技术人员在执行维护工作之前，小心地将润滑油排放和冷却器油箱中的油排空。