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空中客车工业公司为A321提供了一种改进的冲压空气涡轮(RAT),经NASA三种结冰试验风洞测试表明,这种RAT能在极其恶劣的环境下工作,其性能超过目前的标准、并可在结冰情况下坚持工作2小时以上而无故
Airbus Industries Inc. has provided the A321 with an improved ram air turbine (RAT). Three NASA icy test wind tunnel tests show that the RAT can operate in extremely harsh environments with performance exceeding current standards, And in ice conditions insist on work for more than 2 hours for no reason