constant-voltage arc-welding power supply

例句：

1. 1. The constant-voltage arc-welding power supply is essential for the precision welding process.
   恒压电弧焊接电源供应器对于精确焊接过程至关重要。
2. 2. The constant-voltage arc-welding power supply ensures that the welding process is carried out withhigh efficiency and quality.
   恒压电弧焊接电源供应器确保了焊接过程高效且质量优良。
3. 3. The constant-voltage arc-welding power supply has been widely used in various industries due to its high reliability and long service life.
   由于其高可靠性和长使用寿命，恒压电弧焊接电源供应器在各行业中得到了广泛应用。