special-purpose communication network的用法和樣例：
例句
- 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.
介紹了鶴崗煤炭通訊專(zhuān)網(wǎng)和電信公網(wǎng)的發(fā)展概況及專(zhuān)網(wǎng)進(jìn)入公網(wǎng)的最佳途徑。
