_________ cable consists of an inner copper core and a second conducting outer sheath.
A、Fiber-optic;
B、Coaxial;
C、Shieldedtwisted-pair;
D、Twisted-pair
发布时间:2025-07-11 18:18:54
A、Fiber-optic;
B、Coaxial;
C、Shieldedtwisted-pair;
D、Twisted-pair