work-study program勤工俭学;勤工助学;半工半读
work-study system半工半读制
Work- study学生可做的校内工作
work-study staff勤工助学
work-study progriwim勤工俭教
work-study prog勤工俭学
Work-study alternating工学交替
work-study students勤工助学学生
Then combining parts production process, formulate similarity criteria and group parts according to process similarity. For typical processes of each group, apply Work Study to Time Quota standard research.
对于各工序组中典型工序的工时定额标准,采用工作研究法来制定。
参考来源 - 基于成组技术的工时定额方法研究N（名词） an examination of ways of finding the most efficient method of doing a job, esp in terms of time and effort 工作最佳方法研究