[气] specific humidity ;
A reason for this is that RH buffering by materials is feeble and short lived compared with temperature buffering when the air change rate is large.
原因是当空气交换量大时,和热缓冲材料相比湿度缓冲材料的功能较弱,而且寿命不长。
Coal is much calorific than green wood.
煤产生的热量比湿木材多得多.
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