Its use is primarily in dairy cattle and peri-urban areas where complementary services including milk marketing are available.
它主要用于奶牛和城市周边地区，这些地区提供包括牛奶营销在内的配套服务。
Its use is primarily in dairy cattle and peri-urban areas where complementary services including milk marketing are available.
它主要用于奶牛和城市周边地区，这些地区提供包括牛奶营销在内的配套服务。
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