steam channel

例句：

1. 1.The steam channel is essential for the operation of the heating system.
   蒸汽通道对于供暖系统的运行至关重要。
2. 2. The engineers were busy inspecting the steam channel to ensure its safety.
   工程师们忙于检查蒸汽通道，以确保其安全。
3. 3. The steam channel was blocked, causing a significant delay in the production process.
   蒸汽通道被堵塞了，导致生产过程严重延误。