名词
中文翻译：马达锯
同义词：
['motorized saw', 'electric saw']
例句：
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1.The motor saw is used for cutting wood and metal.
马达锯用于切割木材和金属。
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2.The professional electric saw can quickly cut through thick materials.
专业电动锯可以迅速切割厚材料。
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3.The old-fashioned hand saw was not as efficient as the modern motor saw.
传统的手锯不如现代的马达锯效率高。