水蒸汽是化工生产中最常遇到的产物,100℃水的焓值为()kJ/kg。 A.420 B 发布时间:2018-01-26 05:35 │ 来源:www.tikuol.com 题型:单项选择题 问题: 水蒸汽是化工生产中最常遇到的产物,100℃水的焓值为()kJ/kg。A.420B.1000C.520D.100
题型:单项选择题 The engineer are so busy that they have zero time for outdoor sports activities, ____ theyhave the interest. [ ]A. wherever B. whenever C. even if D. as if 查看答案