Small Dump Truck,Dump Truck,Iveco Dumper Truck,12 Wheel Dump Truck Hubei Jiangnan Special Automobile Co., Ltd , https://www.cn-firetrucks.com The purpose of the roadway support is to prevent the surrounding rock damage. Therefore, after the general roadway is excavated into the space, temporary support or permanent support is required.
I. Bolt support and anchor spray support
Second, concrete and reinforced concrete support
Third, the shed bracket
November 21, 2019