| 释义 |
longitudinal circuit
纵向电路
A circuit formed by one telephone wire (or two or more telephone wires in parallel) with a return through the earth or through any other conductors except those which are taken with the original wire or wires to form a metallic teleph one circuit.
一种由一根电话线(或二根或更多根平行的电话线)和一个通过地或通过其它任何导体的回路 组成的电路,但不能和这根(或这些)导线一起形成金属电话线路的导体。 |