cfr chance failure rate偶发故障: random failure率: rate; ratio; proportion偶发故障: chance failure; random failure随机故障 随机失效 偶发故障 偶然失效: randomfailure故障率: fault rate; failure rate◇故障率曲线 bathtub curve; 故障率数据 failure-rate data; 故障率水平 failure-rate level下载手机词典可随时随地查词查翻译关注微信公众号：chachacidian，回复:偶发故障率，即可在微信中查询翻译
