vertical casting

例句：

1. 1. The process of vertical casting is crucial for the production of high-quality steel products.
   垂直铸造过程对于生产高质量钢材产品至关重要。
2. 2. During vertical casting, the molten metal flows down a vertical shaft and solidifies at the bottom.
   在垂直铸造过程中，熔融金属沿着垂直的轴向下流动并在底部凝固。
3. 3. The engineer used a vertical casting machine to produce intricately designed parts for the car.
   工程师使用一台垂直铸造机器生产汽车上复杂设计的零件。