dual-purpose cattle

进出口行业词汇英语翻译(D) ... dual-purpose bus 客货两用车 dual-purpose cattle 乳肉兼用牛 dual-purpose flat file 两用平锉 ...

...肉牛（beef cattle），用途是产肉；(3)双效牛（dual-purpose cattle），用途既为产奶也为产肉。