back-connected fuse

例句：

1. 1. The circuit breaker is designed to protect the electrical system from overheating due to a fault in the wiring.
   这种断路器的设计是为了保护电气系统免受由于线路故障导致的过热。
2. 2.The engineers installed a back-connected fuse in the main power line to ensure that the system could withstand a sudden surge of current.
   工程师们在主电源线上安装了回连式保险丝，以确保系统能够承受突然的电流激增。
3. 3. During maintenance, the technician replaced the old back-connected fuse with a new one to prevent potential fire hazards.
   在维护期间，技术人员用一个新的回连式保险丝替换了旧的，以防止潜在的火灾危险。