What does the preliminary work of Li Lou Reservoir include?

1. The preliminary work of Li Lou Reservoir includes checking the topography and environment around the reservoir; Learn more about the general situation of the project, the preliminary work of the project and the difficulties and problems encountered in the project promotion.

2. The preliminary work of Li Lou Reservoir includes research and development of geological drilling, investigation of sand and gravel yard, and typical investigation of land acquisition and resettlement.