[经] depreciation expense to income ratio

zhé jiù fèi duì shōu yì bǐ lǜ ㄓㄜˊ ㄐㄧㄡˋ ㄈㄟˋ ㄉㄨㄟˋ ㄕㄡ ㄧˋ ㄅㄧˇ lv4