汽车修理工艺过程
technological process of vehicle repair
大修工程
heavy maintenance project
overhaul engineering
overhaul repair project
heavy repair
general reconstruction
Capital repair
heave maintenance
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