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成品图纸>四层、双拼、100-120%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525E3%2525252525252525252525252525252525252525252525252525252525252525252525252525252525252525258E%252525252525252525252525252525252525252525252525252525252525252525252525252525252525252525A1、造价10%E4%B8%87%E4%BB%A5%E4%B8%8B、开间18-20m