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成品图纸>4层以上、双拼、100-120%25E3%258E%25A1、造价20-30%252525252525252525252525252525E4%252525252525252525252525252525B8%25252525252525252525252525252587、开间20m%252525252525252525E4%252525252525252525BB%252525252525252525A5%252525252525252525E4%252525252525252525B8%2525252525252525258A、进深18-20m