potassium feldspar的用法和樣例：
例句
- The development of ceramics industry of Anhui promotes the utilization of potassium feldspar resources.
安徽陶瓷工業的發展，提供了開發鉀長石資源的市場。 - Experiments on iron removal from potash feldspar ore from Yuanmou area by using maguetic separation have been carried out.
介紹採用全磁選工藝，對雲南元謀縣丙令鄉鉀長石礦石進行了除鐵試驗研究。
