旧砖壳内嵌新体量

提示词

依据已确认改造方案表现旧砖墙壳与内嵌新体量，旧墙开口和残存轮廓按原资料保留，新旧间的空隙可见。

Use the confirmed conversion proposal to show an old brick shell around an inserted volume, retaining recorded wall openings and surviving outlines and making the gap between old and new visible.