The delay is partly explicable by the road works. 延误的部份原因是道路施工。
Zhicheng in Beijing in Beijing participated in the Beijing Metro to create, airport construction, road construction, emergency, gas pipeline construction projects. 志成在北京在北京参与了北京地铁创建,机场建设,道路施工,抢险,燃气管道的施工等项目。