noncrucible zone melting

例句：

1. 1. Theprocess of non-crucible zone melting is crucial for the production of high-quality steel.
   非坩埚区域熔化过程对于生产高质量钢材至关重要。
2. 2.In the non-crucible zone melting process, molten metal is transferred directly from the furnace to the mold without passing through a crucible.
   在非坩埚区域熔化过程中，熔融金属直接从炉子转移到模具中，而不经过坩埚。
3. 3. The non-crucible zone melting technology has greatly improved the efficiency and quality of the steel productionprocess.
   非坩埚区域熔化技术大大提高了钢铁生产的效率和质量。