The results show that a large velocity gradient emerges in the intermeshing region of the screw reactors, which is helpful to mix materials sufficiently.是什么意思_The results show that a large velocity gradient emerges in the intermeshing region of the screw reactors, which is helpful to mix materials sufficiently.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句