constant-power welding source

例句：

1. 1. Theconstant-power welding source is essential for the welding process.
   恒功率焊接电源对于焊接过程至关重要。
2. 2.The constant-voltage welding source is used to ensure a stable welding process.
   恒电压焊接电源用于确保稳定的焊接过程。
3. 3. The constant-current welding source is commonly used in industrial applications.
   恒电流焊接电源在工业应用中非常常见。