switchboard
US
UK switchboard n: (telephone interconnection) (过时用法)
SC 电话交换台 diàn huà jiāo huàn tái
The new receptionist soon learnt how to operate the switchboard.
switchboard n: (electrical apparatus)
SC 配电板
TC 配電板
TC 配電板
SC 开关板
The engineer rushed to fix the battleship's switchboard.