noun 下载 🔗分享 总机,交换台。 The electronic panel that is used to direct telephone calls to the desired recipient. Examples : "The switchboard operator directed the call to the principal's office. " 总机接线员把电话转接到了校长办公室。 electronics communication technology machine device utility signal toeic 与AI对话词汇游戏阅读练习
noun 下载 🔗分享 总机,配电盘 A device that directs electricity from one source to another. Examples : "The electrician checked the switchboard to find the source of the power outage in the house. " 电工检查了配电盘,想找出家里停电的原因。 electronics technology device electric communication machine system toeic 与AI对话词汇游戏阅读练习