vapor

• " fog , mist " haze are all water vapor at ground level and above .
  “fog，mist，haze”均为地面及地面以上的水蒸气。
• Studies show that water vapor quickly permeates plastic packaging material .
  研究证明水蒸汽能迅速渗入塑料封装材料。
• Mixture of air and gasoline vapor outside these limits may misfire .
  空气和汽油蒸汽混合体若超过这些限度即可能缺火。
• At first it went up slowly in a cloud of orange exhaust and white vapor .
  它首先在橙黄的排气云和白色的雾气中缓缓上升。
• The capacity of air to hold water vapor depends on its temperature and pressure .
  空气保持水蒸气的能力取决于温度和压力。
• This, in turn, reduced the transport of heat and water vapor to and from the plant .
  这样反过来又减低了热和水汽从植物中的进出量。
• Gasoline vapor also condenses on cold engine parts and drips down into oil pan .
  汽油蒸气会凝结在冷的发动机零件上，然后流入油底壳。
• This system traps the gasoline vapor escaping from the fuel tank and carburetor .
  这个系统能收集从燃油箱和化油器泄漏出来的汽油蒸气。
• Water vapor from the evaporative recovery process may be recondensed, and also reused .
  蒸发回收过程产生的水蒸汽可再冷凝，也可再用。
• Successful experiments in this direction have been made with mercury vapor replacing steam .
  用水银蒸汽代替水蒸汽的实验已经获得成功。