... percentage of reinforcement 含钢率，配筋率 percentage of return air 回风百分比 percentage of saturation 饱和率 ...
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Relative humidity RH refers to the humidity saturation percentage of the air in certain volume.
相对湿度RH是指一定容积内空气的湿度饱和百分比。
Percentage ration of the actual vapour pressure in the air to the saturation vapour pressure with respect to water at the same temperature and pressure.
空气中的实际水气压与在相同温度和气压下的水面饱和水气压的百分比。
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