prometal

例句：

1. 1. The prometal in the alloy is stronger than the pure metal.
   这种合金中的合金比纯金属更坚固。
2. 2.The engineer mixed different metals to create a new prometal.
   工程师混合不同金属来创造一种新的合金。
3. 3. Prometal is often used in industrial applications due to its high strength and durability.
   由于其高强度和耐用性，合金在工业应用中非常常见。