chill casting casing

例句：

1. 1. The engineer used a chill casting casing to make the machine more efficient.
   工程师使用冷却铸造外壳使机器更加高效。
2. 2. The new design uses a chill casting casing to reduce weight and improve durability.
   新设计使用冷却铸造外壳来减轻重量并提高耐用性。
3. 3. The company is exploring the use of chill casting casings in their new product line.
   该公司正在探索在其新产品线上使用冷却铸造外壳的可能性。