[問題] 淘汰744,為什麼不換748?
不好意思,
小弟一直有個問題是
現在許多747-400都陸續被淘汰了
因為油耗效益的問題
不過為何好像很少數換747-8呢?
747-8的機翼有改良 引擎也換了
效益還是不敵777嗎?
謝謝大家
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