名词
中文翻译：深井
同义词：
['deep borehole', 'deep hole例句：1. The engineers were working on an advanced borehole system.（工程师们正在研究一个先进的钻孔系统。）']
例句：
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1. The engineers were working on an advanced borehole system.
工程师们正在研究一个先进的钻孔系统。
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2.The construction of the deep borehole was completed successfully.
深钻孔的施工成功完成。
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3. The advanced borehole technology has greatly improved our mining efficiency.
先进的钻孔技术大大提高了我们的采矿效率。