A.1 B.2 C.3 D.5
A.軟件研發(fā) B.產(chǎn)品技術(shù)研發(fā) C.零件加工 D.工業(yè)設(shè)計(jì)
A.1%,2%,8% B.8%,2%,1% C.2%,1%,8% D.2%,8%,1%