May operate air-track, rotary, down-the-hole or other drilling machines to drill blast holes or may direct drilling of blast holes.

操作空气运作轨道，旋转，向下钻孔机或其他钻探机钻爆破洞或直接钻爆破洞。

youdao

Can be directly in the drilling, cars, milling and other rotating machines using.

可直接在钻、车、铣等旋转机床上使用。

youdao

Firefighters and soldiers using drilling machines and cranes worked together with local volunteers in the search for other survivors.

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