Too much excess air is ______ because the heat generated is being lost through the exhaust
已帮助 人
Too much excess air is ______ because the heat generated is being lost through the exhaust trunking instead of being made used of in heating the water to produce steam.
A.not good
B.good
C.better
D.the best
请帮忙给出正确答案和分析,谢谢!
