The paper is base on reference and gives theory method for estimating vertical drag, and for example of one helicopter, lias computed,Obtains a good agree of computing result with main rotor/fuselag wind tunnel lest result.是什么意思_The paper is base on reference and gives theory method for estimating vertical drag, and for example of one helicopter, lias computed,Obtains a good agree of computing result with main rotor/fuselag wind tunnel lest result.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句