红碎茶足火用传统型烘干机烘干时,进风口温度为90~100℃时,摊叶厚度控制在()右。
A.1.0cm
B.1.5cm
C.2.0cm
D.3.0cm
参考答案:C
— Michael was late for Mr. Smith's oral class this morning.
— _________? As far as I know, he never came late to class.[ ]
A. How come
B. So what
C. Why not
D. Guess what
流态化临界速度