加强河道砂石管理提高河道行洪能力丰台区永定河管理所有计划地开采河道砂石，既能提高河道行洪能力，又减少疏浚河道工程的投资；开采出的砂石料既支援基本建设，河道管理部门又可组织部分收入用于河道建设，达到以河养河，减少国家财政开支的目的，是一举多得的好事。在... Strengthen channel sand management Improve channel flood control capabilities Fengtai District Yongding River Management Planned to extract all channel sand and gravel, both to improve the flood discharge capacity of rivers and reduce dredging river project investment; sand and gravel mining both to support infrastructure, river The management department can also organize part of the income for the construction of the river and achieve the goal of raising the river by river and reducing the state’s financial expenditure. in...