【化】 overhaul life
heavy repair; overhaul
【计】 major overhaul
【化】 capital repair; general overhaul; heavy repair; major overhaul
major repair; major service; overhauling
【经】 capital repair; maintenance overhaul; major overhaul; major repair
permanent repairs
cycle; period; wheel
【计】 C; cycle time; loop cycle; periods
【化】 period
【医】 cycle
【经】 cycle; period