Ensure the guard is in place before operating the machine.

一定要在防护装置放到位后再开机器。

《牛津词典》

The action of applying an offline policy to a machine is called Guard DB (Database Backup).

将离线策略应用到机器的操作称为保护数据库备份(Guard DB)。

youdao

We not only installed the machine with protecting guard, but also added protecting guards to all the rotating, protruding and horizontally moving parts in the factory.

我们不但为机器安装了防护措施，而且为任何旋转的、突出的和水平移动的部件装了防护措施。

youdao

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