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日光中含有紫外线,它能使细菌体内的旦白质凝固而死亡,并能破坏细菌分泌的酵素和毒素,从而达到消毒灭菌的目的。所
Sunlight contains ultraviolet light, it can make the body of bacteria coagulation of dead and can destroy the bacteria secreted enzymes and toxins, so as to achieve the purpose of disinfection and sterilization. The