行星齿轮组的太阳轮与行星架锁在一起时,产生()
A.大减速
B.小减速
C.直接传动
D.空档
参考答案:C
No hero of ancient or modern days can surpass the Indians with their lofty contempt of death and the fortitude with which they sustain its cruelest affliction.
A.regard
B.courage
C.loss
D.trick
下面哪一项不是医院看病礼仪()
A.遵守作息制度
B.排队挂号
C.尊重医生
D.按先后次序取药