[经] indirect material use variance
jiàn jiē cái liào yòng liàng chā yì ㄐㄧㄢˋ ㄐㄧㄝ ㄘㄞˊ ㄌㄧㄠˋ ㄩㄥˋ ㄌㄧㄤˋ ㄔㄚ ㄧˋ
间接材料用量差异