USEC depends upon the Russian uranium to fund its future enrichment facility program.

离心机取决于俄罗斯的铀基金，其未来的浓缩设施。

USEC says that, all told, it will have received the equivalent of 3 billion tons of coal or 10 billion barrels of oil — enough to power the entire U.S. for two years.

铀浓缩公司称，获得的核燃料合计等同于30亿吨煤或100亿桶原油——足够为全美提供两年所需能源。