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近10年来,我国各省市的“地下城”越建越多,至少已有200多个城市开发利用过去备战时建造的地下防御建筑,总面积超过5000万平方米,5年内创造的产值和营业额高达30亿元。
In the past 10 years, more and more “dung cities” have been built in various provinces and cities in China. At least 200 cities have developed and utilized underground defense buildings built during the preparations for the war. The total area exceeds 50 million square meters, and the output value created within 5 years has been achieved. And the turnover is as high as 3 billion yuan.