line checking

例句：

1. 1.Before the construction, we must line check all the electrical wires to ensure they are safe.
   在施工前，我们必须对所有的电线进行线路检查，确保它们是安全的。
2. 2.The engineer carefully checked the line checking system before starting the project.
   工程师在开始项目之前仔细检查了线路检查系统。
3. 3. After the storm, the power company conducted a thorough line checking to prevent any further damage.
   暴风雨过后，电力公司进行了彻底的线路检查，以防止进一步的损害。