bridge detector

例句：

1. 1. The bridge detector detected a fault in the structure during maintenance.
   在维护期间，桥梁探测器检测到了结构上的缺陷。
2. 2. The bridge detector helped to identify the cause of the sudden collapse.
   桥梁探测器帮助确定了突然坍塌的原因。
3. 3. The bridge detector was used to monitor traffic and prevent accidents on the busy highway.
   桥梁探测器被用来监控交通并防止繁忙高速公路上的事故。