请输入您要查询的英文单词:

 

单词 multiple switchboard
释义

> as lemmas

multiple switchboard
multiple switchboard n. Telephony (now historical) a manual switchboard in which each subscriber's circuit is repeated so as to make it accessible to each operator.
ΘΚΠ
society > communication > telecommunication > telegraphy or telephony > telephony > telephone equipment > [noun] > exchange > exchange equipment
private line1852
bank1884
call-disc1884
howler1886
trunk1889
multiple switchboard1891
rack1893
line switch1898
heat coil1900
relay rack1902
multiple1905
listening key1906
telharmonium1906
wiper1906
preselector1912
line finder1922
rank1924
routiner1928
keysender1929
uniselector1930
wiper arm1933
1891 J. Poole Pract. Telephone Handbk. viii. 148 (heading) Multiple switch-boards.
1969 S. F. Smith Teleph. & Telegr. A iv. 98 The need for a series type of multiple connexion which these jacks require on a multiple switchboard has certain disadvantages.
1994 Amer. Hist. Rev. 99 1082 Multiple switchboards were the crucial hardware of this techno-labor system.
extracted from multiplen.adj.
<
as lemmas
随便看

 

英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。

 

Copyright © 2004-2022 Newdu.com All Rights Reserved
更新时间:2025/3/22 0:42:19