Many breakings in anchor bolts and cables in tunnel of deep soft rock were one of problems faced by roadway supporting.
深部软岩巷道中大面积锚杆、锚索破断现象是巷道支护面临的一个难题。
Many breakings in anchor bolts and cables in tunnel of deep soft rock were one of problems faced by roadway supporting.
深部软岩巷道中大面积锚杆、锚索破断现象是巷道支护面临的一个难题。
应用推荐