铝合金门窗90系列,是指其框料厚度构造尺寸为90mm。
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转门可向两个方向旋转,故可以作为双向疏散门。
A. 对
B. 错
推拉门是建筑中最常见、使用最广泛的门。
A. 对
B. 错
The new leader is determined to lead his party away from its past mistakes.()
Our train is alreadylate. I wonder whether we will be in time for Tom's wedding.()