No. 2 engine intensive vibration (severe vibration), reason unknown, we might shut down engine anytime.

第二发强烈抖动(严重抖动)，原因不明，我们随时可能关闭发动机。

youdao

No. 2 engine intensive vibration (severe vibration), reason unknown, we might shut down engine anytime.

第二发强烈抖动(严重抖动)，原因不明，我们随时可能关闭发动机。

youdao