Effect of Feeding Ways of Intermittent Kneading with Semi-solvent Method on the Technology and Performance of Finished Product of Triple Base Propellant是什么意思_Effect of Feeding Ways of Intermittent Kneading with Semi-solvent Method on the Technology and Performance of Finished Product of Triple Base Propellant在線(xiàn)翻譯_英語(yǔ)_讀音_用法_例句