斗轮机的大臂回转机构在启动时抖动较大,回转过程中可以进行大车行走快速调整。
参考答案:错
连词成句。
1. have dinner we family big a (.)
________________________________________
2. at sing we Christmas songs (.)
3. tree have Christmas a we (.)
4. today Chinese it's New Year (. )
5. about it's Festival Spring (.)
伤寒患者出现玫瑰疹,多见于( )
A.潜伏期B.发病初期C.高热期D.缓解期E.恢复期