[经] fixed manufacturing overhead standards
gù dìng zhì zào fèi yòng biāo zhǔn ㄍㄨˋ ㄉㄧㄥˋ ㄓˋ ㄗㄠˋ ㄈㄟˋ ㄩㄥˋ ㄅㄧㄠ ㄓㄨㄣˇ