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。

柯林斯高阶英语词典

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.

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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.

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The trainborne, fail safe, ETCS computer.

车载设备, 故障安全的ETCS计算机.

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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.

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Fail safe center position.

失败安全中心的地位.

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