exhaust suction stroke

例句：

1. 1.The exhaust system is designed to remove harmful emissions from the vehicle.
   排气系统设计用来从车辆中去除有害排放物。
2. 2. During the engine's operation, the exhaust suction stroke helps to clear the airflow.
   在发动机运行时，排气抽吸行程有助于清除气流。
3. 3.The exhaust suction stroke is crucial for maintaining a clean and comfortable driving environment.
   排气抽吸行程对于保持清洁和舒适的驾驶环境至关重要。