英语语法分析

The Knowledge Consistency Checker (KCC) was not able to build a spanning tree topology.

知识一致性检查器(KCC)无法来建立跨越树拓扑。

The new tariff plans and products still need to be approved by the Korea Communications Commission (KCC).

新的关税计划及产品仍然需要由韩国通信委员会（KCC）的批准。

With over 5,000 employees in the world, KCC has 13 factories and a construction company in South Korea. The scale of Ulsan factory stands first in the world of similar factory.

全球员工总数为5000余人，金刚化工集团在韩国国内有13家工厂和一个建筑公司，其中在蔚山的工厂规模位居世界同类工厂第一。