a person who works a telephone switchboard：電話接線員

operator n. a person who works a machine ,apparatus, etc. (機器,設(shè)備等的)操作員 | a person who works a telephone switchboard 電話接線員 | readily adv. uickly and willingly 很快地,樂意地

the operator of a local telephone switchboard：本地電話交換臺的接線員

光和聲音的信號裝置:optical and acoustical signaling devices | 本地電話交換臺的接線員:the operator of a local telephone switchboard | 第一代尋呼系統(tǒng):the first generation of paging system

ammeters on switchboard：配電盤配有三只電表

. INDUSTRY controller with limit unit 帶極限裝置的工業(yè)控制器 | . 3 ammeters on switchboard 配電盤配有三只電表 | We offer the following accessories for extra charge額外收費的附件:

lower echelon automation switchboard,LEAS：低級梯陣自動配電板

"下卡孔區(qū)","lower curtate" | "低級梯陣自動配電板","lower echelon automation switchboard,LEAS" | "下邊","lower edge"

live-front switchboard：盤面接線式配電盤

live end ==> 有電端,加電壓端,有效端 | live-front switchboard ==> 盤面接線式配電盤 | live gas ==> 新鮮空氣

live-front switchboard：板面接線式配電板

live fish carrier 運活魚船 | live front switchboard 板面接線式配電板 | live lever 浮裝桿

program-controlled telephone switchboard：程控交換臺

程控電話 computerized telephone | 程控交換臺 program-controlled telephone switchboard | 成人中等職業(yè)技術(shù)教育 adult secondary vocational and technical education

automatic telephone switchboard：自動電話交換機

automatic telephone set 自動電話機 | automatic telephone switchboard 自動電話交換機 | automatic telephone 自動電話機

automatic telephone switchboard：自動交換機

"自動電話機","automatic telephone set" | "自動交換機","automatic telephone switchboard" | "自動電話制","automatic telephone system"

automatic telephone switchboard：自動交換機,自動電話總機

"automatic telephone set","自動電話機" | "automatic telephone switchboard","自動交換機,自動電話總機" | "automatic telephony","自動電話學(xué)"