Fototapeta Lift the drill head of tunnel boring machine into the construction shaft using a crane. Engineer and technician to control the method of lifting machinery with Ventilation pipe for confined space area

Lift the drill head of tunnel boring machine into the construction shaft using a crane. Engineer and technician to control the method of lifting machinery with Ventilation pipe for confined space area

Numer zdjęcia: 884777944, autor: © sornchai

Tytuł: Lift the drill head of tunnel boring machine into the construction shaft using a crane. Engineer and technician to control the method of lifting machinery with Ventilation pipe for confined space area

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