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成品图纸>三层、美式、200-300%2525252525252525252525252525252525252525252525252525252525252525E3%25252525252525252525252525252525252525252525252525252525252525258E%2525252525252525252525252525252525252525252525252525252525252525A1、造价60-80%252525E4%252525B8%25252587