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1. The feed filter is designed to remove impurities from the food before it is fed to the animals.
饲料过滤器的设计是去除食物中的杂质，然后再喂给动物。
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2. The farmer used a feed filter to improve the quality of the grains.
农民使用了一个饲料过滤器来提高谷物的质量。
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3. The engineer developed a new type of feed filter that could effectively reduce the amount of waste in the process.
工程师开发了一种新型的饲料过滤器，可以有效地减少过程中的废物量。