7.1.1 On the basis of the works completed at pre-feasibility study,the geological investigation at feasibility study stage shall ascertainthe geological conditions of reservoir area and dam site, provide thegeological basis for selecting dam site, dam typ    （共 1581 字）     [阅读本文] >>

        7.1.1 On the basis of the works completed at pre-feasibility study,the geological investigation at feasibility study stage shall ascertainthe geological conditions of reservoir area and dam site, provide thegeological basis for selecting dam site, dam typ    （共 1581 字）     [阅读本文] >>