汽车修理工艺过程
technological process of vehicle repair
大修工程
general reconstruction
heavy maintenance project
heave maintenance
overhaul engineering
heavy repair
overhaul repair project
Capital repair
岛礁工程修补
structure-mending on coral reef island
舵系修理工艺
repairing technique of rudder system
发动机维修工程分部
engine division service engineering