V带传动设计中,限制小带轮的最小直径主要是为了( )。
A.使结构紧凑 B.限制弯曲应力C.保证带和带轮间有足够摩擦力 D.限制小带轮上的包角
参考答案:B
全口义齿侧向咬合工作侧牙尖工作斜面是()
A.上BL
B.上LL
C.下BB
D.下LB
E.下BL
--I am wondering how to find the newly-built theater.
--Go straight two blocks. You__________miss it, for it's a white building like a huge castle.
A.can't
B.mustn't
C.shan't
D.needn't