BBC NewsCopper wire upgrade caused nationwide flight chaos, US transport secretary says
作者 George Wright全文約 2,543 字
文章摘要
BBC News · 文章頁摘要The US government is trying to find out whether the chaos was caused by "incompetence" or faulty equipment.
A nationwide US ground stop that caused thousands of flight cancellations was caused by an issue following a copper wire upgrade, Transport Secretary...