短語(yǔ)詞組短語(yǔ)constant failure rate distribution 常數(shù)故障率分布Constant failure rate dustribution 恒常失效率分配constant failure rate periodyn 恒定失效率期constant failure rate period [電]恒定失效率期constant failure rate portion 恒定故障率工作期constant failure -rate period 正常工作時(shí)間MONK constant failure rate period 恒定失效率期 返回 constant failure rate