The use of voice over text is preferred when controlling; however, ATC services can not be refused to a pilot if he/she does not have voice communication.是什么意思_The use of voice over text is preferred when controlling; however, ATC services can not be refused to a pilot if he/she does not have voice communication.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句