line blocking

例句：

1. 1. The engineer was called to fix the line blocking in the area.
   工程师被召来修理该地区的线路阻塞。
2. 2.The line blocking caused significant delays in the delivery of goods.
   线路阻塞导致货物交付延迟严重。
3. 3. The company is working on a solution to prevent future line blockings.
   公司正在努力解决防止未来线路阻塞的问题。