Fracturesf骨折fracturen.破碎；骨折vt.破碎；破裂vi.断裂fracture resistence抗折强度fracture appearance断口外观fracture saturation裂纹饱和fracture prediction裂缝预测fracture of denture义齿折断fracture perforating复合射孔fractures prediction裂缝预测fracture of fixation骨折固定术fractured formations裂缝性地层fracture of ossicles听(小)骨骨折