不挂科搜题免费

问题:

某锅炉炉排面积为R=1.25×3.68m2,燃煤低发热量=17693kJ/㎏,消耗煤量B=766㎏/

答案:

https://img.ppkao.com/2016-03/caijuexing/2016033015190529807.jpg