名词
中文翻译：弧线切割
同义词：
['arc', 'line cutting', 'curved cutting']
例句：
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1.The arc air cutting machine is used for cutting curves in metals.
弧线切割机用于金属中切割曲线。
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2.The arc air cutting process involves using a torch to cut through the material.
弧线切割过程涉及使用焊炬穿过材料。
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3.During the arc air cutting operation, the operator must be careful to avoid damaging the surrounding area.
在弧线切割操作期间，操作员必须小心，以避免损坏周围区域。