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成品图纸>4层以上、300%25252525E3%252525258E%25252525A1%25252525E4%25252525BB%25252525A5%25252525E4%25252525B8%252525258A、造价40-60%2525E4%2525B8%252587、开间20m%25E4%25BB%25A5%25E4%25B8%258A、进深20m%2525252525E4%2525252525BB%2525252525A5%2525252525E4%2525252525B8%25252525258A