[经] correction of prior years' depreciation

yǐ qián nián dù zhé jiù gēng zhèng shù ㄧˇ ㄑㄧㄢˊ ㄋㄧㄢˊ ㄉㄨˋ ㄓㄜˊ ㄐㄧㄡˋ ㄍㄥ ㄓㄥˋ ㄕㄨˋ