The duck farm in Liangtan River basin is not a source of pollution, but a huge base of raw feed materials.

梁滩河流域的鸭子养殖场不是污染源，而是巨大的饲料原材料基地。

youdao

These ingredients can partly replace some raw feed materials with higher price and also have a definite economic significance.

它可部分代替某些价格较高的饲料原料，具有一定的经济意义。

youdao

One of the most important processes during the processing of feed is smashing of the raw feed materials, which largely affects the quality of feed.

饲料原料的粉碎是饲料加工过程中的最主要的工序之一，它在很大程度上影响着饲料的品质。

youdao

The first is that their improving lot has not gone unnoticed by those who sell the raw materials that feed the world's steel mills.

ECONOMIST: Steelmakers on a roll, until the next glut | The