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Unique Tunnel Boring Machine "Maria" Starts Drilling Second Tunnel of Chelyabinsk Metrotram

10 Apr 10:29

Unique Tunnel Boring Machine "Maria" Starts Drilling Second Tunnel of Chelyabinsk Metrotram

News Transport Industry OOO «16-e upravlenie SiArSiSi»CRCC

Andrey Rudkovskiy