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随着民航改革的进一步深入,各个用户单位对集群话费实行了严格控制,这就要求我们对单个手机的拨号权限进行控制,以减少用户单位不必要的话费支出。以前在手
As the reform of civil aviation further deepened, each user unit imposed strict control over the cluster bill, which requires us to control the dialing authority of a single cell phone so as to reduce the unnecessary bill expenses of the subscriber unit. In the past