development work in coal
Development of Farm Machinery Supervision Work
The Development and Forecast for Live-line Work
Work year of pneumoconiosis development
Department of Land Development Development ＆ Surveying and Mapping
Public development andprivate development
scientific and technological enterprises that integrate scientific and technological development with industrial and trade development
Social Development Department of Development Research Center of the State Council
the development of development
China Recycling Development Corporation Development Divison
retrogressive development regressive development
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