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笔者通过对成渝高速公路调研,较全面地介绍了成渝高速公路的管理体系、收费系统和隧道监控系统。
Through the investigation of Chengdu-Chongqing Expressway, the author introduces the management system, toll collection system and tunnel monitoring system of Chengdu-Chongqing Expressway in a comprehensive way.