Fracturesf骨折fracturen.破碎；骨折vt.破碎；破裂vi.断裂fracture of petrosa岩骨骨折fracture monitoring裂缝监测Fracture of one rib一根肋骨骨折fracture of scapula肩胛骨骨折Fracture parameters裂缝参数fracture properties断裂性能fractured rock body裂隙岩体fracture initiation破裂初始特怔fracture mechanisms断裂方式fracture in newborn新生儿骨折