The zone of thermoneutrality was 8& 14 ℃; and when ambient temperature was lower than-20 ℃, the heat production increased along with the temperature decreased;

  • 牦牛的等热区为814℃,并从20℃起才随气温下降而增加产热;

  • 互联网摘选 2025-01-20 13:01:28

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