Hasanyonebeenpreparedforthepossibilitythatunexpectedpoo...
问题详情：Hasanyonebeenpreparedforthepossibilitythatunexpectedpoorvisibility（能见度）willstopthepilotfromlanding?Ifyourpilotisforcedtoturnbackonlyforhislackofpassingacertaintest,youwillbecertainlyshocked.T...