上游充通大粤 SHANGHAI JIAO TONG UNIVERSITY > Problem technology A.Readily available technology: Drilling,turning,milling of traditional material B.New applications of existing technology Drilling,turning,milling of new material C.Requiring new technological capability High speed machining 。Hard turning D.New core technology Micro,Nano manufacturing technology return Problem technology A. Readily available technology: • Drilling, turning, milling of traditional material B. New applications of existing technology • Drilling, turning, milling of new material C. Requiring new technological capability • High speed machining • Hard turning D. New core technology • Micro, Nano manufacturing technology return