切割电弧稳定，切割速度快，切口平滑，变形小，挂渣少，节省材料。
Steady arc and fast cutting, even cuts, little deformation and slag, material-saving.
介绍长龄水冷冲天炉的结构及工作原理，分析风眼漏水和炉体挂渣的原因。
The construction and operation principle of a long melting life water-cooled cupola was described.
工艺参数优化后的激光无氧切割可获得基本无挂渣、无氧化的光滑切割断口。
The parameter - optimized laser fusion cutting can obtain smooth cut edges without dross and oxidation.
过小的气体流量则使等离子弧失去应有的挺直度而使切割的深度变浅，同时也容易产生挂渣；
The too small gas flow makes plasma arc lost due to the degree and straight cutting depth becomes shallow, but also easy to produce hang slag;
过小的气体流量则使等离子弧失去应有的挺直度而使切割的深度变浅，同时也容易产生挂渣；
The too small gas flow makes plasma arc lost due to the degree and straight cutting depth becomes shallow, but also easy to produce hang slag;
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