3 workers by factory owners long-term oppression, work long hours, heavy workload, living in poverty.
4 the implementation of sophisticated division of labor. The original one can complete the whole process into sub-hand to. Half an hour
正版，望采纳
3 For a long tim workers have been oppressed by the boss, leading a poor life with long working-time and heavy workload.
4 Implement the elaborate division of labour: different from before the whole procedure is finished by special person instead of one person.
The workers by the factory boss oppression, long work hours, workload is big, tough life.
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