passive fault block

例句：

1. 1. The engineer used a passive fault block to isolate the fault in the power grid.
   工程师使用了一个被动故障块来隔离电网中的故障。
2. 2.During maintenance, technicians often encounter passive fault blocks that need to be repaired.
   在维护过程中，技术人员经常遇到需要修理的被动故障块。
3. 3. The design of the passive fault block ensures that the system can operate safely even when there is a fault.
   被动故障块的设计确保了系统即使在发生故障时也能安全运行。