unit melter

例句：

1. 1. The unit melter is used to break down large pieces of metal into smaller pieces.
   熔融器用于将大块金属分解成小块。
2. 2.The unit melter was designed to improve the quality of the final product.
   单元熔炼器被设计用来提高最终产品的质量。
3. 3.The unit melter was used in the production process to ensure uniformity in the final product.
   单元熔炼器在生产过程中被使用，以确保最终产品的均匀性。