复数:fail-safes
1.不安全的
2.工作可靠的
3.不出故障的
4.保险的
5.防错
1.〔技〕故障保险,可靠性,失效保护
2.故障自动保险
3.事故保险
1.designed to make a machine or piece of equipment stop working if part of it stops operating normally