norm of working hour〔名词〕工时定额详细»
norm of working hour〔名词〕工时定额详细»
工时定额hour norm;norm working hour;time standard详细»
工时定额prescription of man-hour norms;work hours quota;man-hour quota;norm of working hours;task time详细»
工时定额prescription of man-hour norms;work hours quota;man-hour quota;norm of working hours;task time详细»