短语词组短语exothermal process 放热过程strongly exothermal 强放热exothermal character 放热特性exothermal change 放热变化exothermal ferroalloy 铝热法炼制合金exothermal body 发热体exothermal padding 发热衬垫Exothermal Weld 放热熔接exothermal peaks 放热峰 返回 exothermal