东北再建新骨干线邮电部“九五”重点建设项目之一的大连一哈尔滨光缆干线已于１９９６年１０月初全面动工，据称这是东北地区建设的最后一条国家一级光缆干线。干线始于大连市，经丹东、通化、延吉、牡丹江，最后到达哈尔滨，并从延吉分路到长春市。这项工程主要承担疏通... Rebuilding a new trunk line in northeast China The Dalian-Harbin Cable Trunk Line, one of the key construction projects of the Ninth Five-Year Plan of the Ministry of Posts and Telecommunications of the Ninth Five-Year Plan, was fully launched in early October 1996 and is said to be the last state-level optical cable trunk line to be constructed in the northeast region. Route began in Dalian, Dandong, Tonghua, Yanji, Mudanjiang, and finally arrived in Harbin, and from Yanji Road to Changchun. The main undertaking to clear the project ...