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TICO聚氨酯节能门窗系统 - shjsxh.com · 2008规定的6级: 1.0<q1≤1.5m3/(m·h), 3.0<q2≤4.5m3/(m2·h) 4.0.5 当窗墙比不符合4.0.5-1的规 定,或者外窗的传热系数不满足表
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