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成品图纸>二层、300%2525E3%25258E%2525A1%2525E4%2525BB%2525A5%2525E4%2525B8%25258A、造价30-40%25252525252525E4%25252525252525B8%2525252525252587、开间20m%2525252525252525252525252525252525252525252525252525252525E4%2525252525252525252525252525252525252525252525252525252525BB%2525252525252525252525252525252525252525252525252525252525A5%2525252525252525252525252525252525252525252525252525252525E4%2525252525252525252525252525252525252525252525252525252525B8%25252525252525252525252525252525252525252525252525252525258A、进深20m%25252525E4%25252525BB%25252525A5%25252525E4%25252525B8%252525258A