electric emergency engine telegraph

例句：

1. 1. The electrical emergency engine telegraph was used to transmit urgent messages during the war.
   在战争期间，电紧急发动机电报机被用来发送紧急消息。
2. 2.The engineers developed a new type of electrical emergency engine telegraph that could transmit data over long distances.
   工程师们开发了一种新型的电紧急发动机电报机，能够远距离传输数据。
3. 3. The electrical emergency engine telegraph played an important role in emergency communication during the disaster.
   在灾难期间，电紧急发动机电报机在紧急通信中发挥了重要作用。