As a result, it can be concluded that the rotation of impeller is the main reason for the prewhirl, and scroll type and flow rate can have an influence on the prewhirl further.是什么意思_As a result, it can be concluded that the rotation of impeller is the main reason for the prewhirl, and scroll type and flow rate can have an influence on the prewhirl further.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句