基本解释[机械工程]放热弥散词组短语短语exothermic dispersion method 原位反应法xd exothermic dispersion reaction 热弥散反应Exothermic dispersion synthesis XD 合成exothermic dispersion technique 技术microwave exothermic dispersion reaction 微波热爆专业释义机械工程放热弥散