investment cast

例句：

1. 1. The company has invested in a new technology to improve efficiency.
   该公司投资了一项新技术以提高效率。
2. 2.The investment cast is a symbol of the company's commitment to innovation.
   这个投资铸件是公司对创新承诺的象征。
3. 3. The investment cast was made from high-quality steel and will last for many years.
   这个投资铸件是用高质量的钢材制成的，可以持续很多年。