Plasma arc cutting is a physical process which utilize high temperature to heat materials and high speed flow to blow melted metal, cutting quality is directly influenced by arc power and arc force.
等离子体弧切割是通过高温等离子体弧将工件弧柱部分的材料熔化并利用高速离子流将切渣吹除的物理过程，弧柱的功率和作用力将直接影响到切口质量。
The deformated patterns of microstructures during metal cutting were analyzed by means of high speed microphotography.
运用显微高速摄影技术分析了切削过程中金属显微组织塑性变形规律。
In metal cutting, high-speed cutting process of great significance.
在金属切削加工中，对高速切削过程的研究有着重要的意义。
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