switchboard

配电盘；接线总机英释中释na system used to connect telephone calls in an office building, hotel etc, or the people who operate the system

1 telephone switchboard,电话交换台，电话交换机

2 switchboard operator,接线员

1 switchboard operators.电话总机接线员

2 Hundreds of callers jammed the switchboard trying to win the tickets (= there were too many calls for the switchboard to deal with ) ..几百个电话打进来想赢取门票，总机应接不暇。