integrated technique of indoor work and field work
integration of Indoor work and field work
maximum difference work between plus and minus work
stay at a selected grass-roots unit to help improve its work and gain firsthand experience for guiding overall work
work center capacity report-by work center
work center load analysis by work center
work list by work center
work system of work safety
annual useful heat supplied by heat pump plant
Area of the useful signal energy distribution
chassis frame useful length
daily useful energy per contour aperture area
delivered useful temperature
Design Useful Life of 100 Years
develop the useful and discard the useless