crossing insulator

例句：

1. 1. The engineer designed a new type of cross-over insulator to improve the efficiency of the power system.
   工程师设计了一种新型的跨接绝缘体，以提高电力系统的效率。
2. 2. The insulator was used to protect the cable from external interference during the cross-over operation.
   在交叉操作期间，绝缘体被用来保护电缆免受外部干扰。
3. 3. The insulator is crucial for maintaining the integrity of the electrical circuit during the cross-over process.
   在交叉过程中，绝缘体对于保持电路完整性至关重要。