asphalt rock मीनिंग इन हिंदी

It has much more advantages in the wet seasons . the main dam is the rolled asphalt rock - fill with the concrete core in nierji project
The rolled asphalt rock - fill dam with concrete core is one of new impervious structures in the rock - fill dams . it has very high imperviousness with ability to fit the deformation and it is easy to organize the construction