短語詞組短語Dairy Cattle Farmer VETASSESS 奶牛農民Dairy Cattle Farmer A 奶牛農民Dairy Cattle Farmer 奶牛農民;奶牛農場主National Dairy Farmer Survey 全國奶農調查dairy farmer district model 牧場園區(qū)集中飼養(yǎng)模式private dairy farmer 個體奶農 返回 dairy farmer