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Laurence Because the penetration of ultraviolet rays is weak, it cannot penetrate the thickness of a piece of printing paper, so if it is used for food disinfection, it can only kill pathogens such as bacteria and viruses on the food surface, but cannot disinfect the inside of the food.

2020-08-05 05:49:19 Helpful (1)
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Q: How do I update the firmware?

Asked by Djinn on 2019-09-04 04:38:07

rms84 Ido not know

2019-09-20 12:45:16 Helpful (0)
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