fault connection

例句：

1. 1. The circuit board has a fault connection that needs to be repaired.
   电路板有一个故障连接需要修理。
2. 2. The engineer found a fault connection in the wiring system.
   工程师在布线系统中发现了一个故障连接。
3. 3. The technician was able to fix the fault connection and restore normal operation of the system.
   技术人员能够修复故障连接，恢复了系统的正常运作。