短语词组短语brittle shear fault 脆brittle e fault 脆性断层ductile brittle sher fault 韧脆性剪切断裂Brittle -ductile fault 脆ductile brittle fault 韧脆性断裂带brittle -ductile shear fault 脆韧性剪切断裂带 返回 brittle fault