短語詞組短語powered -flight phase 主動段rocket -powered flight 火箭動力飛行Human -Powered Flight 人力飛行powered flight control 動力飛行控制powered flight test 發(fā)動機(jī)工作飛行試驗Nuclear -Powered Flight 核動力飛機(jī)First powered flight 歷史上的今天powered flight phase 自動段powered flight -control system 動力飛控系統(tǒng) 返回 powered flight