A person trained in this field may need to know how to set up and maintain telephone equipment, voicemail systems, fiber optic and microwave communication links, as well as mobile radio equipment.
在这个方面受过训练的人可能要知道如何和维护电话设备、语音信箱系统、光纤和微波通信线路，以及移动通信设备。
Products are widely used tape recorders, toys, telephone, radio, microphone, speakers, computers and peripheral equipment.
产品广泛用于收录机、玩具、电话、对讲机、麦克风、音箱、电脑及其周边设备。
Products are widely used tape recorders, toys, telephone, radio, microphone, speakers, computers and peripheral equipment.
产品广泛用于收录机、玩具、电话、对讲机、麦克风、音箱、电脑及其周边设备。
应用推荐