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成品图纸>4层以上、100%252525E3%2525258E%252525A1%252525E4%252525BB%252525A5%252525E4%252525B8%2525258B、造价30-40%25E4%25B8%2587、开间20m%252525252525252525E4%252525252525252525BB%252525252525252525A5%252525252525252525E4%252525252525252525B8%2525252525252525258A、进深18-20m