1∶50000DLG建库
1∶50000 DLG database building
上游建库
upstream reservoirs
reservoir constructed on upstream
金沙江建库
reservoirs constructed along Jinshajiang river
建库原则
storage-building fundamental
建库效率和精度
efficiency and accuracy of database construction
建库条件
construction conditions
conditions for building groundwater reservoir
建库流程
Flow of database construction
Library development flow