outdoor milking bail

例句：

1. 1. Theoutdoor milking bales areessential for the dairy industry.
   户外挤奶包对于乳制品行业至关重要。
2. 2. The farmers usethis outdoor milking bale to collectmilk from their cows.
   农民们使用这个户外挤奶包来收集他们的奶牛的牛奶。
3. 3. The outdoor milking balesare designed to protect the milk from contamination.
   户外挤奶包的设计是为了保护牛奶免受污染。