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成品图纸>一层、双拼、200-300%252525252525252525252525252525252525252525252525252525252525252525E3%2525252525252525252525252525252525252525252525252525252525252525258E%252525252525252525252525252525252525252525252525252525252525252525A1、开间20m%E4%BB%A5%E4%B8%8A