A cable consisting of one conductor, usually a small copper tube or wire, within and insulated from another.
一种电缆，它的中心是一根导体，通常为较细的铜管或铜线，其周围为绝缘介质，外面为。
2
Diode: a semi-conductor or vacuum tube device which has two electrodes. It permits a current to flow from from cathode to anode only Used as a rectifier.
二极管：具有两个电极的半导体或空管。它只容电流从阴极流向阳极。可作整流器用。
3
The miniature coaxial cable with corrugated copper-tube outer conductor that is manufactured using laser welding process offers satisfied results in both electrical and m…