ontaneous eumothorax 特发性气胸

ontaneous crack propagation 自发裂缝传播

ontaneous mine fire 矿内自燃火灾

ontaneous animal model 自发性动物模型

ontaneous fire 自燃

ontaneous heating 自热

ontaneous fracture 自发性骨折

ontaneous activity 自发活动

ontaneous gangrene 特发性坏疽

ontaneous ignition 可燃物质在没有外部火花