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以宁夏石中、古王高速公路绿化工程为例 ,论述了高速公路绿化、立地条件、绿化类型、采取的措施
Taking the afforestation project of Shijiazhuang and Guwang expressways in Ningxia as an example, the paper discusses the afforestation of highway, the site conditions, the type of afforestation and the measures taken