也许汽车制造商们有部分责任限制其汽车发动机的功率。
Maybe car manufacturers should have some responsibility in limiting the power of their engines.
CAA说，这是设备生产商依据数据提供的临界点；劳斯莱斯，为航空公司生产喷气发动机的欧洲主要制造商，对此未做评论。
That threshold, the CAA says, was provided on the basis of data from equipment-manufacturers; Rolls-Royce, the leading European maker of jet engines for airliners, has made no comment on this.
过去几十年里，劳斯莱斯从一个亏本的英国企业转变成世界上第二大的大型喷气发动机制造商。
Over the past couple of decades or so Rolls-Royce has transformed itself from a lossmaking British firm into the world's second-biggest maker of large jet engines.
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