district junctor造句

"district junctor"是什么意思

造句与例句手机版

In early and middle 20th century telephone exchanges this task was done by a supervisory relay set known variously as junctor circuit or district junctor.
In early electromechanical switches including panel switch, a " district junctor " handled supervision and talk battery duties for outgoing calls, similar to the duties of the cord circuit of manual exchanges.
It's difficult to see district junctor in a sentence. 用district junctor造句挺难的

相邻词汇

用"district jehlum"造句, 用"district jhang"造句, 用"district jhelum"造句, 用"district jinnah public school and college mandi bhauldin"造句, 用"district judge"造句, 用"district jurisdiction"造句, 用"district kulgam"造句, 用"district lakki marwat"造句, 用"district land registry"造句,

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