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青岛市老城区的管网基础是建立在百年前建城时德国人的设计,而这一“大管网”设计一直为这座人口上百万的城市提供着便利的生活条件。至今,在青岛方言中仍使用德语
The pipeline network in the Old City of Qingdao is based on the German design built a century ago and this “big pipe network” design has been providing convenient living conditions for the city of millions of people. To date, German is still used in Qingdao dialects