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成品图纸>三层、200-300%252525E3%2525258E%252525A1、造价40-60%2525252525252525252525252525252525252525252525252525252525252525E4%2525252525252525252525252525252525252525252525252525252525252525B8%252525252525252525252525252525252525252525252525252525252525252587、开间20m%E4%BB%A5%E4%B8%8A、进深16-18m