名词
中文翻译：Unknown
同义词：
['deep hole drill', 'deep hole boringmachine', 'deep hole drilling tool例句：1. The engineer useda DYCON to bore a largehole in the rock.（工程师使用深孔钻在岩石中钻出一个大洞。）']
例句：
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1. The engineer useda DYCON to bore a largehole in the rock.
工程师使用深孔钻在岩石中钻出一个大洞。
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2. TheDYCON was used to drill throughthe concrete wall.
深孔钻被用来穿透混凝土墙。
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3. The DYCON is anessential tool for construction workers.
深孔钻是建筑工人必备的工具。