[经] ratio of sales to plant assets

xiāo huò duì guǎng chǎng zī chǎn bǐ lǜ ㄒㄧㄠ ㄏㄨㄛˋ ㄉㄨㄟˋ ㄍㄨㄤˇ ㄔㄤˇ ㄗ ㄔㄢˇ ㄅㄧˇ lv4