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hetong expressway is an important part of the national high-tech network. this project is the first transportation infrastructure ppp project determined by the shaanxi provincial government and is org

the total length of the taibai-fengxian expressway (hereinafter referred to as "this project") is 85.614 kilometers. the section from tianba to fengxian (shanxi-gansu boundary) of this proje

the total length of the taibai-fengxian expressway (hereinafter referred to as "this project") is 85.614 kilometers. the section from tianba to fengxian (shanxi-gansu boundary) of this proje

the total length of the taibai-fengxian expressway (hereinafter referred to as "this project") is 85.614 kilometers. the section from tianba to fengxian (shanxi-gansu boundary) of this proje

the total length of the taibai-fengxian expressway (hereinafter referred to as "this project") is 85.614 kilometers. the section from tianba to fengxian (shanxi-gansu boundary) of this proje

the linxia shuangcheng-daliga (gansu-qingdao) highway (hereinafter referred to as this project) is an important inter-provincial expressway connecting linxia hui autonomous prefecture, gansu province