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[会议论文] 作者：DelingZhao[1]MustafaMohammed[2]XiaohouShao[2],
来源：2015中国农业水土资源保护与自然农法国际论坛 年份：2015
Sand is a common bedding material used as a resting surface for dairy freestalls.Using Sand as Bedding have many positive aspects including comfortable to l...
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