First the standardization of the Five-Hole probe was introduced ,then the variation of the exit velocity was studied when changing the angle of the swirling blades.是什么意思_First the standardization of the Five-Hole probe was introduced ,then the variation of the exit velocity was studied when changing the angle of the swirling blades.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句