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成品图纸>4层以上、双拼、100%2525E3%25258E%2525A1%2525E4%2525BB%2525A5%2525E4%2525B8%25258B、造价30-40%2525252525252525252525252525252525252525252525252525252525252525252525252525252525E4%2525252525252525252525252525252525252525252525252525252525252525252525252525252525B8%252525252525252525252525252525252525252525252525252525252525252525252525252525252587、开间20m%25E4%25BB%25A5%25E4%25B8%258A、进深12-14m