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成品图纸>4层以上、双拼、300%2525252525252525252525252525252525E3%25252525252525252525252525252525258E%2525252525252525252525252525252525A1%2525252525252525252525252525252525E4%2525252525252525252525252525252525BB%2525252525252525252525252525252525A5%2525252525252525252525252525252525E4%2525252525252525252525252525252525B8%25252525252525252525252525252525258A、造价30-40%E4%B8%87、开间20m%25E4%25BB%25A5%25E4%25B8%258A、进深20m%252525E4%252525BB%252525A5%252525E4%252525B8%2525258A