tungsten tanning

例句：

1. 1. The steel is made from tungsten and carbon.
   这种钢是用钨和碳制成的。
2. 2. Tungsten is a raremetal that is used in the production ofhigh-performance alloys.
   钨是一种稀有金属，用于生产高性能合金。
3. 3. The processof tanning involves treating animal hideswith tungsten to create leather.
   鞣制过程涉及用钨处理动物皮来制作皮革。