[经] capital expenditure to sales ratio

zī běn zhī chū duì xiāo shòu de bǐ lǜ ㄗ ㄅㄣˇ ㄓ ㄔㄨ ㄉㄨㄟˋ ㄒㄧㄠ ㄕㄡˋ ㄉㄜ˙ ㄅㄧˇ lv4