hot gas line

例句：

1. 1.The hot gas line is essential for maintaining the temperature in the room.
   热气体管线对于保持房间温度至关重要。
2. 2. The hot gas line was damaged during the construction.
   在建设过程中，热气体管线受损了。
3. 3.The hot gas line was used to transport heat from one part of the building to another.
   热气体管线用于将建筑中的热量从一个部分传输到另一个部分。