Construction Behavior of Double Down?side Drifts in a Weak Tunnel with Shallow Cover
安永林, 彭立敏, 赵丹
Construction Behavior of Double Down?side Drifts in a Weak Tunnel with Shallow Cover
AN Yonglin, PENG Limin, ZHAO Dan
公路交通科技 . 2010, (2): 67 -72 .