water delay line

例句：

1. 1. The water delay line is used to detect the presence of a submarine cable.
   水延迟线用于探测水下电缆的存在。
2. 2. The delay line in the communication system is crucial for maintaining signal integrity.
   通信系统中的延迟线对于保持信号完整性至关重要。
3. 3. The engineers were able to successfully install and test the water delay line.
   工程师们成功地安装并测试了水延迟线。