network constructing的用法和样例：
例句
- Network information security is obviously lagging behind in network building.
网络信息安全工作明显滞后于网络建设。 - Railway Ministry personnel presented that, this network construction is a part of the national railway backbone telecommunication reform project.
铁道部人士介绍，此次网络建设是全国铁路枢纽通讯改造工程的一部分。
