This paper describes the progr ess obtained on the half model testing technique research in high speed adaptive wall wind tunnel in Northwestern Polytechnical University (NPU).是什么意思_This paper describes the progr ess obtained on the half model testing technique research in high speed adaptive wall wind tunnel in Northwestern Polytechnical University (NPU).在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句