flood control, organize departments and units concerned, mobilize social forces, depend on scientific and technological17 progress, harness rivers and lakes in a planned way and take measures to enforce the construction of flood control works in order to consolidate18 and enhance flood control ...
flood control, organize departments and units concerned, mobilize social forces, depend on scientific and technological17 progress, harness rivers and lakes in a planned way and take measures to enforce the construction of flood control works in order to consolidate18 and enhance flood control ...