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- A cloud is a condensation of water vapour. 云是由水蒸汽凝缩而成的。
- 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。
- catalytic vapourizer 催化汽化器
- 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。
- It is known as catalytic cracking. 这就是所谓的催化裂化。
- 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。
- 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。
- When heated, water changes into vapour. 给水加热时，它会变成蒸气。
- Cancel water vapour permeability coefficient. 取消了水蒸气渗透系数。
- Water can be turned into vapour. 水可转化成蒸汽。
- Dont put it on the place where has vapour, please. 请勿放置在有水汽的地方。
- Humidification Addition of water vapour to air. 在空气内加入水气。
- Many other important catalytic parameters were deduced. 可以推导出很多其它重要的催化参数。
- Metal organic chemical vapour depositi. 金属有机物化学气相沉积。
- The dimethylbenzenes are obtained from catalytic reformate. 二甲苯可从催化重整得到。
