A.輸送、配電B.傳輸、分配C.傳輸、調(diào)配D.輸送、整合
A.設(shè)備間系統(tǒng)B.配電間系統(tǒng)C.主配線架系統(tǒng)D.機(jī)房系統(tǒng)
A.6對(duì)雙絞線纜B.2對(duì)雙絞線纜C.4對(duì)雙絞線纜D.8對(duì)雙絞線纜