air change

听听怎么读

英 [eə(r) tʃeindʒ]

美 [er tʃendʒ]

是什么意思

释义

换气；

学习怎么用

双语例句

The diver came up for air again.
潜水员又露出水面换气。
Like modern whales, Basilosaurus was an air breather and could not have stayed underwater for long periods of time.
和今天的鲸鱼一样，龙王鲸需要换气，不能长时间待在水下。

权威例句

Air change rate and concentration of formaldehyde in residential indoor air
Inside and outside air change-over control unit for vehicle use
Air Change Effectiveness and Pollutant Removal Efficiency during Adverse Mixing Conditions
The Effect of Opening Windows on Air Change Rates in Two Homes
Air change rates of motor vehicles and in-vehicle pollutant concentrations from secondhand smoke.
The influence of turbulent wind on air change rates—a modelling approach
Sensitivity of air change rates in a naturally ventilated atrium space subject to variations in external wind speed and direction
Continuous measurements of air change rates in an occupied house for 1 year: the effect of temperature, wind, fans, and windows.
Aerobic decomposition of organic wastes I. Stoichiometric calculation of air change
Ventilation impact of a solar chimney on indoor temperature fluctuation and air change in a school building

a开头的单词