alumina production的用法和樣例：
例句
- The synthetic polymeric flocculant is an important additive for the red mud separation process in alumina production.
摘要合成高分子絮凝劑是氧化鋁生產過程赤泥分離工序的重要添加劑。 - At the same time, the rapid decline in sea freight imports a significant drop in the prices of bauxite, alumina production costs have also decreased accordingly.
同時，海運費快速下降導致進口鋁土礦價格跌幅顯著，氧化鋁生產成本相應也明顯下降。
