名词
中文翻译：电动岩石钻机
同义词：
['electric drill', 'electric power drill']
例句：
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1.We need to use an electric drill to make holes in the concrete.
我们需要用电钻在混凝土上打孔。
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2.The electric drill is very useful for drilling holes in metals.
电钻在金属钻孔方面非常有用。
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3.The electric drill was used to remove the old paint from the wall.
电钻被用来从墙上去除旧漆。