dry pelletizing method

例句：

1. 1. The dry pelletizing method is an efficient way to reduce the size of ore particles.
   干法球团制备方法是减少矿石颗粒大小的一种有效方法。
2. 2. The dry pelletizing method has been widely used in the production of fertilizers.
   干法球团制备方法在肥料生产中得到了广泛应用。
3. 3. The dry pelletizing method is a key step in the preparation of high-quality iron ore.
   干法球团制备方法是高质量铁矿石制备的关键步骤。