[经] joint costing of crude oil refining
liàn yóu lián hé chéng běn jì suàn ㄌㄧㄢˋ ㄧㄡˊ ㄌㄧㄢˊ ㄏㄜˊ ㄔㄥˊ ㄅㄣˇ ㄐㄧˋ ㄙㄨㄢˋ