Analysis of information sources in references of the Wikipedia article "复折房顶" in Chinese language version.
Mansard: A roof made with slopes of different pitches, usually providing an upper floor of usable space within a roof structure.
mansard – two slopes on each of its four sides; one part very steep and curved, often with dormers
Mansard: A roof made with slopes of different pitches, usually providing an upper floor of usable space within a roof structure.