[经] agreed gang wage on account of piecework earnings

xiǎo zǔ chéng bāo jì jiàn gōng zī zhì ㄒㄧㄠˇ ㄗㄨˇ ㄔㄥˊ ㄅㄠ ㄐㄧˋ ㄐㄧㄢˋ ㄍㄨㄥ ㄗ ㄓˋ