名词
中文翻译：钻头
同义词：
['drill', 'drilling tool', 'drilling equipment例句：1. The company has a large inventory of drill bits for sale.（该公司有大量钻头库存待售。）']
例句：
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1. The company has a large inventory of drill bits for sale.
该公司有大量钻头库存待售。
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2.The engineer needs to check the drill bit stock before starting the project.
工程师需要在开始项目前检查钻头库存。
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3.The drill bit stock is expected to increase due to increased demand.
由于需求的增加，预计钻头库存将增加。