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【简答题】
猪是恒温动物,正常情况下,体温保持在( )°C范围内,大猪怕热,小猪怕冷,不同阶段的猪群,不同的硬件设施,猪只的最适生长温度、能耐受的最高温度和最低温度不同。
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A.
室间隔缺损
B.
房间隔缺损
C.
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D.
左心室肥厚
E.
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