slow switch fibers

例句：

1. 1. Thenew device has a slow switch fiber that allows for precise control of the flow rate.
   这款新设备有一个慢速开关纤维，可以精确控制流量。
2. 2. The fiber optic cable is designed to transmit data at a slow speed, making it ideal for long-distance communication.
   光纤电缆设计用于以低速传输数据，非常适合长距离通信。
3. 3. In the event of an emergency, the switch fibers can be quickly switched to provide backup power.
   在紧急情况下，可以迅速切换开关纤维以提供备用电源。