[经] ratio of of interest expenses to interest bearing liability

lì xī fèi yòng duì chéng dān lì xī fù zhài de bǐ lǜ ㄌㄧˋ ㄒㄧ ㄈㄟˋ ㄩㄥˋ ㄉㄨㄟˋ ㄔㄥˊ ㄉㄢ ㄌㄧˋ ㄒㄧ ㄈㄨˋ ㄓㄞˋ ㄉㄜ˙ ㄅㄧˇ lv4