all-electric melting

例句：

1. 1.The all-electric melting process is crucial for the production of high-quality steel.
   全电熔炼过程对于生产高质量钢材至关重要。
2. 2. In the all-electric melting process, the molten metal is heated to a high temperature and then poured into molds.
   在全电熔炼过程中，将熔化的金属加热到高温后倒入模具中。
3. 3. The all-electric melting technology has greatly improved the efficiency of the steel production process.
   全电熔炼技术大大提高了钢铁生产的效率。