Sono scattati provvedimenti e perquisizioni anche in Sardegna nell’ambito della maxi operazione antidroga condotta questa mattona dai carabinieri di Bologna. In particolare dalle prime ore dell’alba ...
Tunneling in sandy dolomite strata often faces hazards such as collapse, water inrush, and water–sand inrush, seriously threatening the safety of tunnel construction. There are currently limited ...
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