是中国联通全国骨干节点之一，通讯基础设施完善。的翻译：China Unicom's nationwide backbone nodes, one of the communications infrastructure. 什么意思？中文翻译英文，英文翻译中文，怎么说？

青云英语翻译

China Unicom is one of the national backbone nodes, communications infrastructure improved.

China Unicom's nationwide backbone nodes, one of the communications infrastructure.

Is one of China Unicom nation backbone nodes, the communication infrastructure is perfect.

China Unicom is one of the national backbone nodes, communication facilities are perfect.

China Unicom's nationwide backbone nodes, one of the communications infrastructure.