名词
中文翻译：机械钻孔
同义词：
['mechanical boring', 'mechanicaldrilling']
例句：
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1. Theengineer used a mechanical drilling machine tobore holes in the concrete.
工程师使用机械钻孔机在混凝土中钻出孔洞。
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2.Mechanical drilling is an effectiveway to remove stubborn stainsfrom clothes.
机械钻孔是一种有效去除衣物顽固污渍的方法。
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3. During construction, mechanical drillingis often used to create support structures forlarge machinery.
在施工过程中，机械钻孔常被用于为大型机械创建支撑结构。