名词
中文翻译：Unknown
同义词：
['stumping auger', 'stump drill']
例句：
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1. The engineer used a stump auger to dig out the roots of the tree.
工程师使用断桩钻机挖出了树根。
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2. The stump auger was an essential tool for clearing the forest.
断桩钻机是清理森林的必备工具。
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3. The stump auger helped the workers to remove the fallen tree quickly.
断桩钻机帮助工人迅速移走了倒下的树。