名词中文翻译
中文翻译：电动煤钻
同义词：
['electric drill', 'electric mining drill']
例句：
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1.The electrical coal drill is used to extract coal from deep underground mines.
电动煤钻用于从地下深处的煤矿中提取煤炭。
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2.The electrical coal drill is a crucial tool for mining operations.
电动煤钻是采矿作业中至关重要的工具。
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3. The electrical coal drill has greatly improved the efficiency of coal mining operations.
电动煤钻大大提高了煤炭开采作业的效率。