名词
中文翻译：钻头
同义词：
['drill bit', 'drill head例句：1. The engineer used a special drill bit to make the hole.（工程师使用一种特殊的钻头钻孔。）']
例句：
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1. The engineer used a special drill bit to make the hole.
工程师使用一种特殊的钻头钻孔。
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2. The drill bit was too small for the job at hand.
这个钻头太小，不适合这项工作。
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3.The drill bit broke off during the operation.
操作过程中，钻头断了。