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成品图纸>双拼、造价10-20%252525252525252525252525252525252525252525252525252525252525252525252525E4%252525252525252525252525252525252525252525252525252525252525252525252525B8%25252525252525252525252525252525252525252525252525252525252525252525252587、开间20m%252525E4%252525BB%252525A5%252525E4%252525B8%2525258A、进深18-20m