rotational casting

例句：

1. 1.The rotating cast iron wheel is the key to this machine's operation.
   这个机器的运转离不开旋转铸铁轮。
2. 2. In rotational casting, molten metal is poured into a mold and allowed to solidify in a continuous rotation.
   在旋转铸造中，熔化的金属被倒入模具中，并在连续旋转中凝固。
3. 3. Rotational casting is an efficient method for producing complex shapes with high precision.
   旋转铸造是一种高效的方法，用于生产具有高精度的复杂形状。