自进式中空锚杆在Ⅳ~Ⅴ类围岩洞挖的应用
자진식중공묘간재Ⅳ~Ⅴ류위암동알적응용
Self-drilling bolt Applied in rock Tunnel Excavation from LevelⅣtoⅤ
저자의 최근 논문