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成品图纸>4层以上、双拼、120-140%252525E3%2525258E%252525A1、造价40-60%2525252525252525252525252525252525252525E4%2525252525252525252525252525252525252525B8%252525252525252525252525252525252525252587、开间20m%252525252525E4%252525252525BB%252525252525A5%252525252525E4%252525252525B8%2525252525258A、进深18-20m