磨削加工的四个运动中，切深运动是（）
A.砂轮的旋转运动
B.径向进给运动
C.轴向进给运动
D.工件运动
参考答案：B
The flood ran over the village. ________, 200 people were missing.[ ]
A. In a result
B. As a result
C. Result in
D. As a result of
镗削大孔长孔要用浮动镗刀和镗刀杆进行镗削。
