专用电话交换设备
词语: 专用电话交换设备
解释: private branch exchange equipment
词性: 名词
词典: 机械专业汉英词典
专用电话交换设备 相关解释
private branch exchange equipment 专用交换机
private branch exchange equipment 专用电话交换设备,用户电话交换机
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