【化】 major repair depreciation rate
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
【化】 depreciation rate; rate of depreciation
【经】 depreciation rate; rate of depreciation; ratio of of depreciation