2) Railway Major Repair Design
铁路线路大修设计
4) road overhaul
道路大修
1.
In order to greet the Olympic Games, in the recent years, the large scope of the road overhaul has been carried out in Beijing City.
为迎接奥运会,北京市近几年进行了大规模的道路大修工作。
5) railway roadbed repair
路基大修
1.
Development of Computer Aided Design System based on database for railway roadbed repair;
铁路路基大修计算机辅助设计系统研制
补充资料：大修
1.重大修改;大修理。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条