repeater-indicator

例句：

1. 1.The engineer used the repeater-indicator to troubleshoot the issue.
   工程师使用重播指示器来解决问题。
2. 2. The technician checked the repeater-indicator to ensure it was functioning properly.
   技术人员检查了重播指示器，以确保它正常工作。
3. 3. The software developer used a repeater-indicator to detect and fix bugs in the application.
   软件开发者使用重播指示器来检测并修复应用程序中的bugs。