roughage forage
常見(jiàn)例句
- Developing legume forage for improving protein levels in roughage and modifying livestock distribution patterns are the core practical issues of grassland animal husbandry.
大力發(fā)展豆科牧草資源， 解決中國(guó)粗飼料蛋白含量不足以及調(diào)整牲畜分佈格侷也是關(guān)鍵問(wèn)題。
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