But why they didn't protect these critical oil facilities is clearly a mystery.

但是为什么他们没有保护这些关键石油设施仍是个谜。

The more than 50 missiles largely targeted critical facilities in Kyiv, the capital city in Ukraine.

这50多枚导弹主要针对乌克兰首都基辅的重要设施实施打击。

Verizon, which suffered catastrophic flooding at its critical facilities during Sandy, began replacing copper wiring with new more resilient fiber optic cable and started moving equipment from basements to higher floors.

在桑迪期间， Verizon 的关键设施遭受了灾难性的洪水，开始用更具弹性的新光缆替换铜线， 并开始将设备从地下室搬到更高的楼层。