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false ellipse
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Chinese
false ellipse
近似椭圆
false ellipse
圆弧椭圆
false ellipse
五心拱券
false ellipse
arch
三心装饰拱【建】
false ellipse
arch
装饰成的三心拱
false ellipse
arch
近似椭圆拱
false ellipse
arch
五心装饰拱
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