屏蔽双绞电缆
Shielded Twisted Pair STP
无屏蔽双绞电缆
UTP Unshielede twisted pair
铺设电缆-电缆铺设
Cable assemblies
cable temination equipment
双棒增强型电缆
twin rod reinforced cable
双电缆宽带带局域网络
dual cable broad band LAN
智能型双电源自动切换开关
intelligent dual power automatic switching switch