water vapor

Polyethylene is an excellent barrier to water vapor.

聚乙烯保水蒸汽的性能良好.

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.

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.

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.

Water vapor is a normal constituent of the atmosphere.

水蒸气是大气的正常组成部分.

In the infrared, the absorption is due mainly to water vapor.

在红外线区, 吸收主要是因为水气的缘故.

The two principal combustion products are water vapor and carbon dioxide.

两种主要的燃烧产物是水蒸气和二氧化碳。

Water vapor is water in the form of a gas.

水蒸气是气态的水.

Clouds are formations of condensed water vapor.

云是水汽凝聚而成.

Rust is the product of a slow combination of iron with atmospheric oxygen and water vapor.

锈是铁和空气中的氧和水蒸汽缓慢结合的产物.

This water vapor forms as clouds in the sky.

水蒸汽形成天空中的云.

Air is the agent that transports water vapor from one region to another.

空气是把水汽从一地送到另一地的媒介.

Warm air can contain more water vapor than cold air.

热空气要较冷空气容纳更多的水蒸汽.

Most of atmosphere's water vapor comes from evaporation of sea water.

大气中的水汽大部分来自海水蒸发.

Although water is essentially transparent, water vapor appears white as does ground glass.

虽然水基本上是透明的, 但是水蒸汽则呈白色,像毛玻璃一样.