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成品图纸>4层以上、200-300%E3%8E%A1、造价20-30%25252525252525252525252525252525252525252525252525252525252525252525E4%25252525252525252525252525252525252525252525252525252525252525252525B8%2525252525252525252525252525252525252525252525252525252525252525252587、开间0-10m、进深18-20m