special-purpose communication network

• 专网

special-purpose communication network的用法和样例：

例句

1. The development survey of Hegang coal communication special net and telecommunication public net,and the best way for special net going into the public net are introduced.
   介绍了鹤岗煤炭通讯专网和电信公网的发展概况及专网进入公网的最佳途径。