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成品图纸>四层、双拼、200-300%25252525252525252525252525252525252525252525252525252525252525252525E3%252525252525252525252525252525252525252525252525252525252525252525258E%25252525252525252525252525252525252525252525252525252525252525252525A1、造价30-40%25E4%25B8%2587、开间20m%E4%BB%A5%E4%B8%8A、进深10-12m