为北京城市五环、六环，太旧高速、石黄高速、京承高速、北京城市铁路交通建设做出了贡献。
It plays an important role in the construction of Beijing urban rail transit , such as Wuhuan Road, Liuhuan Road, Taijiu High-speed Road, Shihuang High-speed Road, Jingcheng High-speed Road.
为北京城市五环、六环，太旧高速、石黄高速、京承高速、北京城市铁路交通建设做出了贡献。
It plays an important role in the construction of Beijing urban rail transit , such as Wuhuan Road, Liuhuan Road, Taijiu High-speed Road, Shihuang High-speed Road, Jingcheng High-speed Road.
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