A.抗压 B.抗剪 C.抗扭 D.抗拉
A.褶皱 B.倾斜 C.断层 D.破裂
A.3km B.5km C.10km D.15km
A.4%~10% B.6%~15% C.8%~20% D.10%~25%
A.5~10m B.10~15m C.15~20m D.20~25m