Lh,+gx=lho+gx W=L(H2-H1)=G(X1-X2 2、空气消耗量L L G(X-X2)W H,-H1 H,-H1 每蒸发1kg水分时,消耗的绝干空气数量l 2021/2/24 上页下及2021/2/24 LH1 +GX1 = LH2 +GX2 ( ) ( ) W = L H2 − H1 = G X1 − X2 2、空气消耗量L ( ) 2 1 1 2 H H G X X L − − = H2 H1 W − = 每蒸发1kg水分时，消耗的绝干空气数量l W L l = 2 1 1 H − H =