In 2021, dam excavation and concrete pouring silo, plant excavation and concrete silo, consolidation, curtain grouting, cavern excavation and support will be carried out in the main main project.
In 2021, dam excavation, concrete pouring warehouse, powerhouse excavation and concrete warehouse, consolidation, curtain grouting, cavern excavation and support in the main projects,
In 2021, in the main main projects of dam excavation and concrete pouring, powerhouse excavation and concrete storage, consolidation, curtain grouting, cavern excavation and support,