When constructing on super section lane, combining roof bolt, anchor cable, anchor cable series, is scientific and reasonable, can achieve good effect.
超大断面巷道施工，采用锚杆、锚索、锚索组联合支护，科学合理，实现了安全高效的良好效果。
When constructing on super section lane, combining roof bolt, anchor cable, anchor cable series, is scientific and reasonable, can achieve good effect.
超大断面巷道施工，采用锚杆、锚索、锚索组联合支护，科学合理，实现了安全高效的良好效果。
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