auxiliary detonator

例句：

1. 1. The auxiliary detonator was used to safely detonate the bomb.
   辅助引爆器被用来安全地引爆炸弹。
2. 2. The engineer carefully tested the auxiliary detonator before installing it in the machine.
   工程师在安装机器之前仔细测试了辅助引爆器。
3. 3. The auxiliary detonator is a crucial component of the explosive device.
   辅助引爆器是爆炸装置的关键部件。