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.
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