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成品图纸>四层、双拼、100-120%252525252525252525252525252525252525252525252525252525252525252525252525E3%2525252525252525252525252525252525252525252525252525252525252525252525258E%252525252525252525252525252525252525252525252525252525252525252525252525A1、造价60-80%252525E4%252525B8%25252587、开间18-20m