据调查人员和行业安全专家称，如果一架正在着陆的飞机降落速度过快或者其降落轨道有偏离跑道入口的风险，驾驶舱内也应当会发出警报。
In the cockpit , according to investigators and industry safety experts , there also should have been alerts if a landing plane is descending too quickly or its trajectory threatens to take it short of the runway threshold .
跑道入口