单词 | switchboard |
释义 | switchboard/ˈswɪtʃbɔːd /noun 1An installation for the manual control of telephone connections in an office, hotel, or other large building.The paper also quoted an unnamed American contractor who had prepared a bid to install telephone switchboards at the Qatar base....
2An apparatus for varying connections between electric circuits in other applications.Switchgear or switchboards can be used as the distribution and overcurrent protection for the system....
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