oil discharge pipe

例句：

1. 1. The oil discharge pipe is responsible for discharging the oil from the engine.
   油排放管负责将发动机中的油排出。
2. 2.The oil discharge pipe should be regularly cleaned to prevent blockages.
   油排放管应定期清洗以防止堵塞。
3. 3. The oil discharge pipe is essential for maintaining the proper functioning of the engine.
   油排放管对于保持发动机正常工作至关重要。