The mansard roof has two slopes on all four sides, a shallower upper part and a steeper lower part. See also hammer-beam roof.
复斜屋顶在四个面上都各有两个斜面，一个较浅的上部斜面和一个较陡的下部斜面。
The mansard roof has two slopes on all four sides, a shallower upper part and a steeper lower part. See also hammer-beam roof.
复斜屋顶在四个面上都各有两个斜面，一个较浅的上部斜面和一个较陡的下部斜面。
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