Then discuss the distribution regularity of flow velcocity of piping fluid, especially revision coefficient of flow velcocity distribution according to correlative knowledge in hydromechanics.是什么意思_Then discuss the distribution regularity of flow velcocity of piping fluid, especially revision coefficient of flow velcocity distribution according to correlative knowledge in hydromechanics.在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句