Placement outline curves are not planar. floor outline curves are not planar. top outline curves are not planar.
如果要求将轮廓曲线投影到与曲线的平面垂直的面上，并且曲线不是平面的，则显示以下消息。
The dragon column on the 2nd floor is vigorous in posture, with smooth decorative outline.
第二层之蟠龙柱，体态雄健，纹饰线条流畅。
The dragon column on the 2nd floor is vigorous in posture, with smooth decorative outline.
第二层之蟠龙柱，体态雄健，纹饰线条流畅。
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