- 问题详情:Hasanyonebeenpreparedforthepossibilitythatunexpectedpoorvisibility(能见度)willstopthepilotfromlanding?Ifyourpilotisforcedtoturnbackonlyforhislackofpassingacertaintest,youwillbecertainlyshocked.ThisverythinghappenedtothepassengersonFlightBE1431o...
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