steam inlet pipe

例句：

1. 1. The steam inlet pipe is responsible for the heating of the room.
   蒸汽进口管负责房间的加热。
2. 2. The steam inlet pipe was installed to improve the efficiency of the heating system.
   蒸汽进口管的安装是为了提高供暖系统的效率。
3. 3. The steam inlet pipe was damaged during the installation process.
   在安装过程中，蒸汽进口管被损坏了。