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成品图纸>4层以上、双拼、200-300%E3%8E%A1、造价30-40%2525252525252525252525252525E4%2525252525252525252525252525B8%252525252525252525252525252587、开间20m%252525252525252525252525252525E4%252525252525252525252525252525BB%252525252525252525252525252525A5%252525252525252525252525252525E4%252525252525252525252525252525B8%2525252525252525252525252525258A、进深18-20m