1.【电】配电盘;(电信,电话)交换机,交换台;配电盘
1.a large piece of equipment in an office, hotel, public building, etc. that a person called a switchboard operator uses to answer telephone calls and to connect the people calling with the people who they want to speak to
2.the electronic equipment used to connect telephone calls in a large business or organization
1.The switchboards were jammed as angry protests poured in from all over the country.
由于全国各地的愤怒抗议纷纷涌来，电话交换台应接不暇。
2.Modern telephone switchboards are usually equipped with automatic operator's device, which can put you through to extensions directly.
现代交换机上一般装有自动接线系统，你可直接把电话打到分机。
3.Non-conductive mats should be placed in front of the switchboards and maintained in a clean condition.
闸刀盒前边要放绝缘垫，并保持干净。
4.Observe the relevant information in the instruction manual for all actions involving switchgear and switchboards.
有关开关设备的一切操作，都要遵守说明书中的相应规定。
5.and switchboards of trunk lines of the wire connecting components are connected.
将各接线组件的干线的配电盘的连接设置。
6.development of new small switchboards of unit type . networks of small strowger exchanges installed in italy.
开发新型小型接线总机。小型史端乔交换机网络在意大利安装。
7.This center controls the work of controllers and switchboards etc.
中心控制室，控制交换机和控制器等设备的工作。
8.What can the main switchboards control?
主配电板能控制什么？
9.Activity of Moscow switchboards shown. At night people call each other much less.
如莫斯科的交换机活动表所示；晚上，月黑风高，打电话的人们少了很多。
10.Group Busy Tone is audible tone of telephone system that is indicated by low tone on the sleeve of trunk jacks at cord switchboards.
组群忙音是通过在塞绳交换台上的中继线塞孔插塞套部分的低音来显示可闻电话系统音。