temper hardening brass

例句：

1. 1. The process of tempering brass is essential for its durability and resistance to corrosion.
   黄铜的硬化过程对于其耐久性和抗腐蚀性至关重要。
2. 2. The artisans use a special technique to temper the brass, which gives it a beautiful shine.
   工匠们使用特殊的技术来对黄铜进行硬化处理，使其表面呈现出美丽的光泽。
3. 3. The brassware was carefully tempered before being polished and finished.
   这件黄铜器物在被打磨和完成之前经过了仔细的硬化处理。