排烟宽
高
800800800700630500500400通风
125010001000100010001000800800800800800800800800800700700630630630630630630630500500500500500400400400400350320320250200160120
风管周长长厚面积
320224014.944002400525021002.42505.00034.7532012.52502.320027.9
130227.1420013.5625045.85002.7130443.5003.5530016.155006.1525039.5200194.053207.461608.34000.763018.313063.151607.741201.320044.5160118.9625017.8520023.091208.53205.0213017.8325041.26160124.834007.1812045.9513037.4620016.97160131.912088.831305.19
1203120106.3616022.412052.6120200.5412073.721201105.76
