... 食物卫生学 food hygiene 实验卫生学 experimental hygiene 兽医卫生学 veterinary hygiene ...
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The drinking water for experimental animals of the second, third and fourth classes shall measure up to the hygiene standards of urban drinking water and undergo treatment to kill bacteria.
三、四级实验动物的饮水，应当符合城市生活饮水的卫生标准并经灭菌处理。
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