短語詞組短語random m failure 隨機故障Random Hardware Failure 隨機硬件失傚single -random failure 單一隨機故障random failure rate 故障率random failure probability 隨機失傚概率的random failure detail 偶然失傚random failure portion 偶然故障工作期random failure period 偶然失傚期;隨機故障期;偶發(fā)失傚期single random failure 單隨機損壞 返回 random failure