vacuum melting technique

例句：

1. 1. The vacuum melting technique is widely used in the metallurgical industry for its ability to produce high-quality steel products.
   真空熔炼技术在冶金工业中广泛使用，因为它能够生产出高质量的钢铁产品。
2. 2. The vacuum melting technique has been proven to be more efficient than traditional methods in reducing wasteand improving product quality.
   真空熔炼技术已被证明比传统方法更高效，能够减少废料并提高产品质量。
3. 3.In recent years, researchers have been exploring new ways to improve the vacuum melting technique, aiming to achieve higher efficiency and lower costs.
   近年来，研究人员一直在探索新的改进真空熔炼技术的方法，旨在实现更高的效率和更低的成本。