罗尔斯-罗伊斯公司(Rolls-Royce)与通用电气公司(GE)除了致力于改进常规的涡扇发动机外,都正在加大投入研制这种发动机。 他们也没有对这两种发动机的优劣作出评判。
Rolls-Royce and General Electric (GE) are studying this approach, though they are also keeping their options open by working on improvements to conventional turbofans, too.
就像庞巴迪以及其他一些在英国裁员的公司一样,罗尔斯·罗伊斯的公司人数也比2001年减少了20%,但与庞巴迪公司不同的是,他们的生产计划已安排得满满当当。
Like Bombardier and other manufacturing firms it has shed staff in britain-it has 20% fewer workers now than in 2001-but, unlike Bombardier, it still has a full order book.
与此同时,美国和欧洲的航空规则制定者发布了更进一步的指导意见,主要针对罗尔斯—罗伊斯公司制造的发动机,防止其燃油泄漏。
Meanwhile, aviation regulators in America and Europe issued further directives aimed at preventing oil leaks in engines made by Rolls-Royce.
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