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成品图纸>4层以上、200-300%2525252525E3%25252525258E%2525252525A1、造价20-30%25252525E4%25252525B8%2525252587、开间20m%25252525252525252525252525E4%25252525252525252525252525BB%25252525252525252525252525A5%25252525252525252525252525E4%25252525252525252525252525B8%252525252525252525252525258A、进深20m%E4%BB%A5%E4%B8%8A