勤工俭学 work-study program ; part-work and part-study system

后勤工作机制 logistics mechanisms

工勤技能人员 Ground Skilled Staff

工勤人员 Logistics Workers

工作勤奋 work like a Trojan ; Hard working ; work hard

辛勤工作 work like a horse ; work hard

勤奋工作 hard work ; TO WORK HARD ; work like a horse

勤杂工 office boy ; Factotum ; Houseman

勤工助学 work-study program ; Work-study ; take a part-time job while studying at college