The profile of changes in drying rate and nutrient content in alfalfa hay made by adding 1.5%,2.0%,3.0% potassium carbonate (K_2CO_3) were investigated.是什么意思_The profile of changes in drying rate and nutrient content in alfalfa hay made by adding 1.5%,2.0%,3.0% potassium carbonate (K_2CO_3) were investigated.在线翻译_英语_读音_用法_例句