当管网内送水温度达到()要求时,即可对间组散热器进行调节.
A.安装
B.标准
C.设计
D.施工
参考答案:C
If you want to try some of the most _____ skiing in the world, you should try a visit to Kitzbuel,
_____ in southern Austria. [ ]
A. challenged; located
B. challenging; locating
C. challenged; locating
D. challenging; located
什么是汽轮机调节系统的静态特性和动态特性?