line control block

例句：

1. 1.The line control block is responsible for monitoring the traffic flow in the area.
   线路控制块负责监控该区域的交通流量。
2. 2. The engineers used a special tool to remove the line control block from the circuit board.
   工程师们使用一种特殊的工具从电路板上移除线路控制块。
3. 3. The line control block was designed to prevent interference between different electronic devices.
   线路控制块被设计成防止不同电子设备之间的干扰。