伊盟硬梁区实施“３３１２”工程杨存良伊盟盟委、行署领导在充分调查研究的基础上，对伊盟农村、牡区提出了“因地制宜、分类指导、分区实施、梯度推进”的总战略原则。在这个总原则的指导下，把全盟划分为４个经济类型区，即沿河农业区、丘陵沟壑区、沙区和硬梁区。硬梁... On the basis of thorough investigations and studies, the leaders of the Iran League for Democracy and Unity and the Executive Office of the UNITA put forward the overall strategy of “adjusting measures to local conditions, guiding them according to different regions, carrying out subdivisions and advancing in a gradient manner” on the basis of adequate investigations and studies. in principle. Guided by this general principle, the alliance is divided into four economic zones, namely the agricultural areas along the river, the hilly and gully areas, sandy areas and hard-beam areas. Hard beam ...