片语
major cycle overhaul大修
major minor overhaul of unit机组大修
major repair[工业] 大修
fund for major overhaul大修理基金
major engine overhaul发动机总检修
bf major overhaul高炉大修
funds for major overhaul大修基金
first major overhaul第一次大修
semi major overhaul半大修
complete overhaul大修;全面检修