环式碎煤机的环锤的旋转轨迹与筛板之间的间隙应为多少?
参考答案:
其间隙一般为20∽25mm。
首字母填空。
In North America, most students go to school (1)o______ the school buses. Some students also walk or
(2)r______ bikes to school. In other parts of the (3)w______, things are (4)d______. In Japan, most students
(5)t______ trains to school , although (6)o______ also walk or ride bikes. In China, it depends (7)w______
you are. In big (8)c______, students usually ride bikes or take buses to school. And in places where there are
rivers and lakes, like Hongshanhu, Hubei (9)a______ Kaishandao, students usually go to school by (10)b______.
That must be a lot more fun than taking a bus.
德育目标确定了培养人的总体规格和要求,但必须落实到()
A.德育内容上
B.德育规律上
C.德育原则上
D.德育方法上