A.弱放熱反應(yīng)B.弱吸熱反應(yīng)C.強(qiáng)放熱反應(yīng)D.強(qiáng)吸熱反應(yīng)
A.7~10℃B.3~5℃C.5~7℃D.1~3℃
A.1~4%B.2~5%C.3~10%D.3.3~19%