燃气轮机理想循环的组成依次为:绝热压缩过程、定压加热过程、绝热膨胀过程和()。
A.定容放热过程
B.定压放热过程
C.定容排气过程
D.定压排气过程
参考答案:B
The car passed through the street ___ are thought was a very dangerous speed.
A. which
B. at which
C. what
D. at what
叙述导爆管网络格式闭合网络的特点。