您要查找的是不是：
- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- The fire( furnace) has burnt itself out. 炉火因燃料烧尽而熄灭了。
- A cloud is a mass of vapour in the sky. 云是天空中的水汽团。
- Water can be changed into vapour when heated. 水被加热时，可以变成水蒸汽。
- A furnace that manufactures producer gas. 煤气发生炉制造发生炉煤气的炉子
- The walls of the furnace are under repair. 炉壁正在修理。
- Would you please fire the furnace? 你去给炉子添加燃料好吗?
- vapourizing furnace 气化炉
- It's like a furnace in here can we open a window? 这里热得像个火炉--咱们打开窗户好吗?
- It's my son's duty to damp down the furnace every evening. 每天晚上封炉子是我儿子的任务。
- It can change water into vapour. 它能把水变成蒸汽。
- The hot vapour spouted from a rusted pipe. 热蒸汽从一个生了锈的管子里喷了出来。
- Then a brown vapour is given off. 这时会放出一种棕色的气体。
- He sniffed the vapour up (through his nose). 他（用鼻子）吸入蒸气.
- Petrol forms vapour above a certain temperature. 高于一定的温度汽油就形成蒸气。
- This mixture is then feed into a blast furnace. 将此混合料送入高炉。
- When heated,water change into vapour. 给水加热时，它会变成蒸气。
- Heated, the water turns to vapour. 加热时，水会变成蒸汽。
- We jointly took charge of the experimental furnace. 我们共同负责试验炉。
- The metal glowed in the furnace. 金属在熔炉里发出灼热的光。
