缓冲托辊的作用就是用来使受料处减少物料对胶带的冲击，以保护皮带。
参考答案：对
海马旁回前端是（）
A.中央旁小叶
B.角回
C.缘上回
D.海马
E.钩回
---Jason, you need to refresh yourself with a cup of coffee.
--- Yeah, I went to bed very late last night, ________, early this morning.
A, rather than B. what’s more
C. or rather D. what’s worse
