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2003年在“九寨沟环线”通信覆盖的建设过程中,四川移动、四川联通、四川网通首次共享了四川电信在该段的直埋光缆沟。2005年1月18日四川管局出台《四川省通信建设纠纷协调办法》。2008年6月26日四川管局印发《汶川地震灾后重建传输光缆共建的指导意见》。2008年7月11日四川电信、四川移动和四川联通签署《四川汶川地震灾后重建传输光缆共建框架协议》。
In 2003, during the construction of “Jiuzhaigou Ring” communication coverage, Sichuan Mobile, Sichuan Unicom and Sichuan Netcom shared for the first time the direct buried cable trench of Sichuan Telecom in this section. January 18, 2005 Sichuan Provincial Administration promulgated “Measures for the Coordination of Dispute over Communications Construction in Sichuan Province”. On June 26, 2008, Sichuan Administration of Education issued the Guiding Opinion on Reconstruction of Transmission Optical Cables After Wenchuan Earthquake. July 11, 2008 Sichuan Telecom, Sichuan Mobile and Sichuan Unicom Signed the Framework Agreement for Co-construction of Transmission Optical Cables for Reconstruction after Wenchuan Earthquake in Sichuan Province.