Behind each chamber is a 55-gallon-drum stove with a door on the front and a chimney hole with two pipes in the back.
每个房间后面都有一个55加仑的鼓形炉，前面有一个门，后面有个带两个管道的烟囱洞。
2
On the basis of practicing, the operational principle and features of dual condensation chamber used for drum water level measurement are presented in detail.
以实践为基础，对测量汽包水位中使用的双室平衡容器的工作原理与特性作了详细介绍。
3
Start up fan will air into the furnace chamber, make drum boiler stop when the gas chamber may remaining purging and fan blowing off five minutes before commencement of ignition.