名词
中文翻译：组合钻头
同义词：
['combined drill bit', 'combined drill rod', 'combined drill stem']
例句：
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1. The engineer used a combination drill to remove the stone from the wall.
工程师使用组合钻头从墙上移除了石头。
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2.The construction crew used a combination drill to break through the concrete slab.
建筑工人使用组合钻头来打破混凝土板。
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3. The machine shop technician was tasked with assembling a combination drill for the new project.
机器车间的技术人员被分配到组装新项目所需的组合钻的任务。