Lane opening driving safety measures

The second 1-11090 machine lane return airway is located 60 meters in front of the opening of the No. 1-11090 machineway, and the main service is the return air during the tunneling of the 1-11090 machine. The blasting method is used for excavation, and this meas

Aluminum foil workshop design

Aluminum foil plant design (design of aluminium foil workshop) to about 0.5mm thick aluminum billet as raw material, annealing and rolling, the volume, cutting processes, the production of aluminum foil plant plant design. The thickness of the aluminum foil