operation vehicle for contact wire

例句：

1. 1.The operation vehicle is designed to carry out maintenance tasks on the power grid.
   该操作车旨在执行电网维护任务。
2. 2.The operation vehicle is equipped with advanced technology that improves efficiency and safety.
   操作车配备了先进的技术，提高了效率和安全性。
3. 3. The operation vehicle is essential for maintaining the integrity of the power grid during emergencies.
   在紧急情况下，操作车对于保持电网的完整性至关重要。