Steel Rib Errection in tunnel | ISHB girder Errection | NATM | EXCAVATOR MACHINE | Tunnel support. S A Hamid 0:49 3 years ago 566 Скачать Далее
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Hand Drilling for steel rib support in the tunnel 😎👍 Andi Anriansyah 0:22 2 years ago 185 Скачать Далее
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civil tarneel exebation vertical rib erection bottom civil engineering tarneel wark 0:51 1 year ago 27 Скачать Далее
The cost-efficient and safe Tunneling Solution Maccaferri World 5:24 5 years ago 21 886 Скачать Далее
