miner's self-rescuer

例句：

1. 1. The miner'sself-rescuer is essential forensuring the safety of miners in deepunderground mining operations.
   矿工自救器对于确保地下深处采矿作业中矿工的安全至关重要。
2. 2. Incase of an emergency, the miner's self-rescuer canbe used to quickly locate and rescue trappedminers.
   在紧急情况下，矿工自救器可以用来快速定位并营救被困的矿工。
3. 3. Theminer's self-rescuer is a lifesaver insituations where there is no immediate access torescue services.
   在没有立即可用的救援服务的情况下，矿工自救器是救命稻草。