我對(duì)空氣動(dòng)力學(xué)一竅不通。I don't understand the aerodynamics.要取得勝利，你必須掌握很復(fù)雜的動(dòng)力學(xué)知識(shí)。In order to succeed, you must master complicated knowledge of dynamics.這種控制要求顆粒磨損動(dòng)力學(xué)和旋風(fēng)分離器效率的知識(shí).This control requires knowledge of attrition kinet...