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成品图纸>三层、200-300%252525252525E3%2525252525258E%252525252525A1、造价20-30%2525252525252525252525252525252525252525252525252525E4%2525252525252525252525252525252525252525252525252525B8%252525252525252525252525252525252525252525252525252587、开间20m%25E4%25BB%25A5%25E4%25B8%258A、进深20m%252525E4%252525BB%252525A5%252525E4%252525B8%2525258A