A cloud is a condensation of water vapour in the atmosphere.
云是由大气中的水蒸气凝结成的。
If it were not for the vapour in the air, there would be no dew.
如果空气中没有水气，就没有露水。
The engine is cold and there is no vapour lock in the pipe.
发动机很冷，管道中也没有封。
爱与誓言，过眼云烟。
How can the water become vapour?
水怎样变成水蒸气？
切勿吸入蒸汽。
A cloud is a mass of vapour in the sky.
云是天空中的水汽团块。
Has a vapour return line been connected?
蒸发气回流管是否已接通？
那是什么雾气？
A cloud is a condensation of water vapour.
云是由水蒸汽凝缩而成的。
Electronic Controller for vapour recovery.
电子控制器汽体回收。
If it is very hot, water can become vapour.
如果天很热，水能变成蒸气。
We can find vapour we breathe out in winter.
在冬天我们能看到我们呼出的水汽。
Heating water, we can change it into vapour.
给水加热，我们可以将其变成水蒸气。
I saw he disappear into thin air like vapour.
我看见他像蒸汽一样消失不见了。
Mercury vapour lamp with wire screen protection.
带保护的汞蒸气灯 ；
Humidification: Addition of water vapour to air.
加湿：在空气内加入水气。
When(water is) heated, water is turned into vapour.
水加热时变成气体。
You say you love me, now all turn into even a vapour.
你说的你爱我，现在全都变成了过眼云烟。
Vapour pressure is an important product specification.
蒸气压是一个重要的产品规格。
The water droplets change back to vapour and rise up.
水滴重新变成水蒸气上升到空中。
It is effective, but mercury vapour is extremely toxic.
这种方式非常有效，但是汞(即水银)蒸气却含有剧毒。
Water can change from liquid state into ice or vapour.
如果进行冷冻的话，水会由液态变为固态。
The sun shines and the water in the river become vapour.
阳光闪耀，河流中的水化作蒸汽。
Water vapour concentrations are always variable, but are roughly 1%.
水蒸汽的浓度总是变量，但大约1%。
Water vapour concentrations are always variable, but are roughly 1%.
水蒸汽的浓度总是变量，但大约1%。
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