high frequency welding

例句：

1. 1. This machine is used for highfrequency welding.
   这台机器用于高频焊接。
2. 2. High frequency welding isa technique that uses high-frequency energyto join metal parts together.
   高频焊接是一种使用高频能量将金属部件连接在一起的技术。
3. 3. In high frequency welding,the welding rod is inserted intothe workpiece and rotated at highspeeds to create a strong bond betweenthe metal surfaces.
   在高频焊接中，焊条被插入工件并高速旋转，以在金属表面之间创建强固的连接。