special drill造句

1、Then, using special drill hole in the bumper, and detectors were put into holes.
然后，用专用钻头在保险杠上开孔，并将探测器别离装入孔内。

2、The special drill press for the stand pillar is introduced.
介绍了一种高速公路护栏立柱专用钻床。

3、Maybe use this as a special drill with less people.
这个练习可能对很少的人有用。