internal failsafe timer内: inner; inside; within保险: insure; guarantee; insurance计时器: calculagraph; time-meter; ch ...失败保险计时器: failsafe timer外部保险计时器: external failsafe timer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:内保险计时器，即可在微信中查询翻译
