ultrasonic seam welding

例句：

1. 1. Ultrasonic seam welding is a technique used in manufacturing to join metal parts together without the need for heat or chemicals.
   超声波焊接是一种在制造中用于连接金属部件而无需使用热或化学物质的技术。
2. 2. In this process, high-frequency sound waves are used to create small holes in the material being joined, which then fill with adhesive.
   在这个过程中，高频声波被用来在要连接的材料上创建小孔，然后用粘合剂填充这些孔。
3. 3.The use of ultrasonic seam welding has significantly reduced the time and effort required for assembly, making it more efficient and cost-effective.
   使用超声波焊接技术显著减少了组装所需的时间和努力，使其更加高效和成本效益。