expulsion smoke channel

例句：

1. 3. Expulsion smoke channel例句：1. The construction of the expulsion smoke channel is crucial for reducing air pollution.
   建设驱逐烟雾通道对于减少空气污染至关重要。
2. 2.The company has been working on developing a new type of expulsion smoke channel to improve efficiency.
   该公司一直在努力开发一种新型的驱逐烟雾通道，以提高效率。
3. 3.The engineers carefully designed the expulsion smoke channel to ensure it can effectively remove harmful gases from the environment.
   工程师们仔细设计了驱逐烟雾通道，以确保它能够有效地从环境中去除有害气体。