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air hygiene in animal housing
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air hygiene in animal housing
Encyclopedia
农学
家畜环境
释
air hygiene in animal housing
畜舍空气卫生
消除对畜舍空气质量和卫生状况的不利因素,保证家畜正常生理机能和健康的措施。
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equivalent coverings
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equivalent exchange
equivalent extensions
equivalent extensions of a field
equivalent extensions of a group
equivalent fiber bundle
equivalent flow
equivalent focal distance
equivalent focal length
equivalent focus
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