Drilling: refers to the use of drilling or milling machine drill hole of the workpiece process.

钻孔：指在钻床或铣床上使用钻头对工件进行打孔的工艺过程。

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It is not fastened to the machine on which it is used and may be moved around on the table of the drilling machine to bring each bushing directly under the drill.

它不固定在使用它的钻床上，它能在钻床工作台上到处移动以使每个衬套都直接位于钻头下。

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It's been 10 years in the making for Woodman, 37, who started the company in 2002 and built the first camera prototypes in his bedroom with his mom's sewing machine and a drill.

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" David Bomberg, a brilliant graduate of London's Slade School, who was painting admirably adventurous pictures of his own, remembered decades later that "the tense figure operating the Drill as if it were a Machine Gun" amounted to "a Prophetic Symbol of the impending war.

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Ambrose inquires about a drill, and before long we find ourselves at the local machine shop with half the village crowding around to watch the blond girl redrill her heelpiece.

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