The particle imaging velocimetry (PIV) technology is used to measure the velocity profile of swirling jet with added polyacrylamide (PAM) fluid.是什么意思_The particle imaging velocimetry (PIV) technology is used to measure the velocity profile of swirling jet with added polyacrylamide (PAM) fluid.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句