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成品图纸>4层以上、双拼、100%252525252525E3%2525252525258E%252525252525A1%252525252525E4%252525252525BB%252525252525A5%252525252525E4%252525252525B8%2525252525258B、造价30-40%25252525252525252525252525252525252525252525252525252525E4%25252525252525252525252525252525252525252525252525252525B8%2525252525252525252525252525252525252525252525252525252587、开间18-20m、进深18-20m