應該是coaxial 你的同軸線,是像電纜的東西嗎? p.s. coaxial同軸的 line線 cable索,纜繩
...actually a signal device,Use a diode RF passive sensors.The coaxial side equipped with a directional,Half-wave diode detector circuit,And...
... are sometimes pressurized with nitrogen to keep out moisture. Coaxial cables are referred to as unbalanced lines because of...