aged alloy powder

例句：

1. 1. The aged alloy powder was used to make the screws.
   这种老化合金粉被用来制作螺丝。
2. 2. The aged alloy powder is highly valued for its strength and durability.
   这种老化合金粉因其强度和耐用性而受到高度评价。
3. 3. The aged alloy powder was used in the manufacturing of high-quality steel products.
   这种老化合金粉被用于制造高质量的钢铁产品。