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【单选题】
下列有关保温隔热屋面的条文中,______不合规定。
A.
蓄水屋面的坡度不宜大于2%,可以在地震区建筑物上使用
B.
种植屋面的坡度不宜大于3%,四周应设置围护墙及泄水管、排水管
C.
架空隔热屋面坡度不宜大于5%,不宜在寒冷地区采用
D.
倒置式屋面保温层应采用憎水性或吸水率低的保温材料
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A.
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B.
B 、 电极灼伤
C.
C 、 未焊合缺陷
D.
D 、气孔
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A.
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B.
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C.
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D.
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A.
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B.
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C.
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A.
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B.
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A.
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B.
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C.
nothing we couldn’t do    
D.
nothing we could do
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A.
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B.
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C.
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D.
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