薄质防水涂料施工时，采用双组分涂料时，主剂和固化剂的混合偏差不得大于±______%。
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______防水层可用于结构主体的迎水面防水，也可以用于背水面防水。
A. 金属板
B. 防水卷材
C. 防水涂料
D. 水泥砂浆
When he was a little boy, _______.
A. Mark didn't like Tom.
B. Mark always played catch with Tom.
C. Mark didn't want to be a good player like Tom.
D. Mark was very good at catching Tom's basketball.
The first kilt was made _______.
A. in Paris
B. in the British Army
C. by a factory owner
D. by a Scottish family
当屋面宽度大于______m时，架空屋而应设置通风屋脊。
A. 5
B. 10
C. 15
D. 20
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