论文部分内容阅读
由重庆至贵阳的长途通信线路——“渝筑六管小同轴电缆300路载波干线工程”建成,于1989年9月16日通过邮电部验收。这条通信干线从重庆出发,穿过綦江、松坎、遵义、息峰等城市到达贵阳市、全长434km,工程总投资4200万元。它的建成,使重庆到遵义、贵阳的长途通信线路的容量分别增大12倍和1倍,使沿途城市的长途干线通信能力提高数倍,长途电话等通信紧张状况将得到缓解。同时,此干线与南宁、
From Chongqing to Guiyang’s long-distance communication lines - “Yu build six small coaxial cable 300 carrier trunk line project” built in September 16, 1989 through the Ministry of Posts and Telecommunications acceptance. This communication trunk departs from Chongqing and reaches the city of Guiyang through Hanjiang, Songkan, Zunyi, Xifeng and other cities with a total length of 434km and a total investment of 42 million yuan. Its completion will increase the capacity of long-distance communication lines from Chongqing to Zunyi and Guiyang by 12 times and 1 times respectively, which will increase the communication capacity of long-distance trunk lines along the cities by several times and ease the tension of communications such as long-distance calls. At the same time, this trunk line and Nanning,