通过和氧气切割的对比，介绍了氮气在激光切割中的优势和应用。
This paper introduced the advantage and application of nitrogen in laser cutting, by comparing with oxygen lance cutting.
结果发现各方面性能差别不大，可以在大批量的工业生产中用效率更高的激光氧气切割代替机械切割。
No significant difference has been figured out, which suggests the feasibility of oxygen-aided laser cutting, as its more efficient in large scale production.
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