隻有到最後快撞山了才會響警報，可能為時已晚。要不就是飛行員知道險情但是無法排除。

來源: 望自遠方於 2015-03-24 15:52:16 [博客] [舊帖] [給我悄悄話] 本文已被閱讀：次

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