A.70% B.80% C.90% D.100%
A.產(chǎn)業(yè)鏈條 B.產(chǎn)業(yè)生態(tài) C.產(chǎn)業(yè)形態(tài) D.產(chǎn)業(yè)結(jié)構(gòu)