network lock-up

例句：

1. 1.The government has implemented a network lock-up to prevent the spread of misinformation.
   政府实施了网络封锁措施，以防止错误信息的传播。
2. 2. The company's network lock-up is causing significant delays in customer service.
   公司的网络封锁导致客户服务严重延迟。
3. 3. The network lock-up was lifted after several days, allowing users to access the website again.
   经过几天的网络封锁解除后，用户可以再次访问该网站。