“放热的”的英语？

他们对放热的化学反应一无所知.They know nothing about exothermic chemical reactions.他们封放热的化学反应一无所知.They exothermic chemical reactions.结果表明,燃气蒸汽联合循环系统利用了燃气侧高温吸热和蒸汽侧低温放热的特点,使得其效率高达51.The result of study shows that the exergy efficiency o...