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1 转型是石油通信专网发展形势的需要石油通信专网是在公众网通信能力严重不足,而油田生产又迫切需要通信服务的历史条件下形成的。30多年来,石油通信专
1 Transformation is the need for the development of the oil communication network. The oil communication network is formed under the historical conditions that the communication capacity of the public network is seriously insufficient and the oilfield production urgently needs communication services. More than 30 years, oil communications