燃气涡轮喷气发动机的理想循环是().
A.卡诺循环
B.奥托循环
C.朗肯循环
D.布莱顿循环
参考答案:D
Sir, you should ________ at the red light, but you didn’t.
A.stop
B.have to stop
C.have stopped
D.not have stopped
应用运算定律,可以使一些计算( )。