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成品图纸>4层以上、双拼、200-300%252525252525252525252525252525252525E3%2525252525252525252525252525252525258E%252525252525252525252525252525252525A1、造价40-60%2525E4%2525B8%252587、开间20m%E4%BB%A5%E4%B8%8A、进深20m%25252525E4%25252525BB%25252525A5%25252525E4%25252525B8%252525258A