tungsten-powellite

例句：

1. 1.This type of mineral is often used in the manufacture of tungsten-powellite.
   这种矿物常用于制造钨石。
2. 2.Tungsten-powellite is a valuable resource for cutting tools and other industrial applications.
   钨石是切割工具和其他工业应用的宝贵资源。
3. 3.The properties of tungsten-powellite make it an ideal material for high-temperature applications.
   钨石的特性使其成为高温应用的理想材料。