DSU

例句：

1. 1. The DSU is responsible for providing emergency medical assistance during emergencies.
   DSU负责在紧急情况下提供急救医疗援助。
2. 2. The DSU has been deployed to support the ongoing construction project.
   DSU已被部署以支持正在进行的建设项目。
3. 3. The DSU is expected to arrive at the scene within the next hour.
   预计DSU将在下一个小时到达现场。