A. 正确 B. 错误
A. 金针菜 B. 黄瓜 C. 大白菜 D. 石刁柏 E. 竹笋
A. NCDU(New Combiner Distribution Unit) B. NCEU(New Combiner Extension Unit) C. NCEN(New Combiner Extension Net Unit) D. NMCDU(New“M” Type Combiner Distribution Unit)