crucibleless zone melting

例句：

1. 1. The crucibleless zone melting process isa new method for refining metals.
   无坩埚区熔炼过程是一种金属精炼的新方法。
2. 2. This technologyhas the advantages of highefficiency and low energy consumption,which makes it very suitable for crucibleless zone melting.
   这种技术具有高效率和低能耗的优点，非常适合无坩埚区熔炼。
3. 3. In the crucibleless zone melting process,the molten metal is directly poured intothe mold to form the final product.
   在无坩埚区熔炼过程中，熔化的金属直接倒入模具中形成最终产品。