submerged telephone repeater

例句：

1. 1. The submerged telephone repeater is an essential device for maintaining communication in deep-sea exploration.
   深水探索中，淹没式电话中继器是保持通信的关键设备。
2. 2.During the construction of the underwater cable, the submerged telephone repeater plays a crucial role in ensuring the safety of personnel and equipment.
   在水下电缆的建设过程中，淹没式电话中继器在确保人员和设备安全方面发挥着至关重要的作用。
3. 3. The submerged telephone repeater has made it possible for us to communicate with people on the other side of the ocean, evenwhen we are thousands of meters below the surface.
   淹没式电话中继器使我们能够与海洋另一端的人进行沟通，即使我们距离水面数千米。