a fail-safe device/mechanism/system
故障保护装置 / 机械装置 / 系统
牛津词典
The camera has a built-in failsafe device which prevents it from working if the right signals aren't received.
照相机有内置自动防故障装置，该装置确保相机在未接到正确信号时不会启动。
Because of the fail safe construction track occupied could mean: track not determined free.
考虑故障安全结构,轨道占用的含义为: 轨道未被确认为空闲.
期刊摘选
Although the legal framework for commerce is important , it is fail safe, as many consumers know.
尽管商业活动的法律机制很权威, 但如许多人所知, 它并不能保证交易完全安全.
期刊摘选
The trainborne, fail safe, ETCS computer.
车载设备, 故障安全的ETCS计算机.
期刊摘选
It is becoming accepted practice that jet aircraft must " fail safe " .
喷气式飞机必须有故障 安全装置,这已经逐渐成为公认的常规.
期刊摘选
Fail safe center position.
失败安全中心的地位.
期刊摘选
"a fail-safe recipe for cheese souffle"
"a fail-safe device in a nuclear weapon to deactivate it automatically in the event of accident"