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单选题
L 或 R ENG FLAMEOUT caution警戒信息（黄色）意味着L or R ENG FLAMEOUT caution (amber)
A
意味着N1或者N2转速超过了红区4秒以上Indicates that N1 or N2 has exceeded redline for more than four seconds.
B
意味着相对应的发动机熄火，FADEC系统无法成功重新起动对应的发动机，并且油门杆没有在关断位Indicates flameout of respective engine, FADEC was not successful with re−light and thrust lever not at shut−off.
C
意味着对应的油门杆失效，FADEC将会继续保持最后一次的推力设定直到进近Indicates failure of respective thrust lever. FADEC will maintain last power level setting until approach.
D
意味着相对应的操作引气活门无法关闭Indicates that respective operability bleed valve has failed closed.
答案解析
正确答案：B
