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成品图纸>三层、200-300%2525252525252525252525252525252525252525252525252525252525252525E3%25252525252525252525252525252525252525252525252525252525252525258E%2525252525252525252525252525252525252525252525252525252525252525A1、造价40-60%252525E4%252525B8%25252587、开间20m%25E4%25BB%25A5%25E4%25B8%258A、进深12-14m