1. They probed in/into the mud with a special drill.

2. Get the special drill bit to bore the correct-size hole for the job.

3. Special drilling equipment is being used to tunnel beneath the sea bed.

4. A special drill is being sent to the copper and gold mine in northern Chile to dig a new shaft and get the miners to safety.

5. Keywords: special drill press , hydraulic pressure system, electric control.

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6. Then, using special drill hole in the bumper, and detectors were put into holes.

7. Of the Mao Zedong's relics, a special drill red shorts is very eye-catching because most of cotton shorts are white not red.

8. The special drill press for the stand pillar is introduced.

9. Maybe use this as a special drill with less people.

10. In this paper, the structure feature and principle of this special drill has been introduced. Its special design is very useful for drilling thin-wall pipe.