impulse current seam welding machine

例句：

1. 1.The new impulse current welding machine is much more efficient than the old one.
   这款新型的冲动电流焊接机比旧的更高效。
2. 2. The technician was impressed by the precision of the impulsive current welding process.
   这位技术员对冲动电流焊接过程的精确度印象深刻。
3. 3.The company has invested in a new impulse current welding machine to improve production efficiency.
   该公司投资了一款新的冲动电流焊接机器，以提高生产效率。