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成品图纸>四层、美式、120-140%252525252525252525252525252525252525252525252525252525252525252525252525252525252525E3%2525252525252525252525252525252525252525252525252525252525252525252525252525252525258E%252525252525252525252525252525252525252525252525252525252525252525252525252525252525A1、造价40-60%252525E4%252525B8%25252587、开间20m%2525E4%2525BB%2525A5%2525E4%2525B8%25258A、进深16-18m