iron removal的用法和樣例：
例句
- 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。 - Oxygen demand for iron and manganese removal in biofilter was discussed by means of theoretical calculation and experiment.
從理論計算和試驗兩方面探討了生物除鐵除錳濾池中的曝氣溶氧問題。
