locomotive general overhaul

例句：

1. 1. The old car needed a generaloverhaul to get it back onthe road.
   这辆旧车需要彻底大修才能重新上路。
2. 2. Thefactory had to conduct ageneral overhaul due tosafety concerns.
   由于安全担忧，工厂不得不进行全面检修。
3. 3. The engineers planned ageneral overhaul of the entire system.
   工程师们计划对整个系统进行全面检修。