Pratt &Whitney is exploring putting a gearbox between the fan and the turbine, because fans run more efficiently at low speeds and turbines operate better at high speeds.
而普拉特&惠特尼则正在尝试在风扇和涡轮之间加入一个变速箱，因为风扇低速运转更高效，而涡轮机高速运转则更高效。
The F-35B is powered by a single Pratt &Whitney F135 engine driving a Rolls-Royce lift fan.
这架F - 35B战斗机是由普惠公司F135型单一发动机引擎驱动劳斯莱斯升力风扇。
The aircraft is a collaborative effort between the U.S. Air Force Research Laboratory, the Defense Advanced Research Projects Agency, Boeing and Pratt &Whitney Rocketdyne.
这架飞机是美国空军研究实验室，美国国防部，波音公司和普惠洛克达因公司的共同研究成果
One is the geared turbofan (GTF), a new type of jet engine from Pratt &Whitney, part of America’s United Technologies group.
一款是来自普惠公司的新型喷气发动机GTF，普惠隶属于美国联合技术公司。
One is the geared turbofan (GTF), a new type of jet engine from Pratt & Whitney, part of America's United Technologies group.
一款是来自普惠公司的新型喷气发动机GTF，普惠隶属于美国联合技术公司。
Pratt & Whitney is exploring putting a gearbox between the fan and the turbine, because fans run more efficiently at low speeds and turbines operate better at high speeds.
Pratt&Whitney在探索将一个变速箱放在风扇和涡轮机中间，因为风扇在低速时效率较高，而涡轮机则在高速时更高效。
The solution devised by Pratt & Whitney (P&W), a division of United Technologies, is a “geared turbofan” engine called the PurePower PW1000G.
由普惠提供的解决方案，是名为PurePower PW1000G的齿轮传动涡扇发动机。 普惠是联合科技集团的一个分公司。
The helicopter is powered by two Pratt & Whitney Canada PT6C-67C turboshaft engines.
直升飞机动力由二台普惠加拿大公司PT6C-67C涡轴发动机提供。
Just in recent days, household names like AT&T Inc. , DuPont, JPMorgan Chase &Co. , as well as jet engine maker Pratt &Whitney, and mining company Freeport-McMoRan Copper &Gold Inc. announced layoffs.
就在最近，那些家喻户晓的公司，如美国电话电报公司，杜邦公司，摩根大通公司，还有喷气发动机制造商普拉特惠特尼公司，以及矿业公司美国自由港麦克米伦铜金公司，都宣布了裁员。
The trip was to inspect and get familiarization with the machinery being produced by Pratt &Whitney.
监造新枪厂的机器生产并熟悉机器操作程序。
The trip was to inspect and get familiarization with the machinery being produced by Pratt &Whitney.
监造新枪厂的机器生产并熟悉机器操作程序。
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