vertical welding

• 立焊,竖焊,垂直焊

vertical welding的用法和样例：

例句

1. In this paper,the near-optimal settings of the welding process parameters in keyhole PAW were determined with relatively few experiments.
   本文在实验量很少的情况下，应用遗传算法确定了穿孔型等离子弧立焊工艺参数的近似最优化配置。