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成品图纸>四层、双拼、200-300%252525252525252525E3%2525252525252525258E%252525252525252525A1、造价30-40%2525E4%2525B8%252587、开间20m%25252525252525E4%25252525252525BB%25252525252525A5%25252525252525E4%25252525252525B8%252525252525258A、进深20m%25E4%25BB%25A5%25E4%25B8%258A