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成品图纸>四层、双拼、100%2525252525252525E3%25252525252525258E%2525252525252525A1%2525252525252525E4%2525252525252525BB%2525252525252525A5%2525252525252525E4%2525252525252525B8%25252525252525258B、造价30-40%E4%B8%87、开间20m%25252525252525252525252525E4%25252525252525252525252525BB%25252525252525252525252525A5%25252525252525252525252525E4%25252525252525252525252525B8%252525252525252525252525258A、进深18-20m