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这架直升飞机失事的主要原因是升降舵失灵。
The main reason that caused the accident of this plane was a malfunction of the elevator.
youdao
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我们的引擎和舵都失灵了。
Both our engines and rudder have got out of control.
youdao
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我们的引擎和舵都失灵了。
Both our engines and rudder have got out of control.
youdao