magnetic-core access switch

例句：

1. 1.The new magnetic core access switch has greatly improved the efficiency of our data transmission.
   新型的磁性核心访问交换机大大提高了我们数据传输的效率。
2. 2. The engineers were able to quickly troubleshoot the magnetic core access switch and fix the issue.
   工程师们能够迅速排查磁性核心访问交换机并解决问题。
3. 3.The magnetic core access switch is a critical component in the power grid, ensuring reliable power supply.
   磁性核心访问交换机是电网中的关键组件，确保电力供应的可靠性。