The refrigerator has become a big helper in people's lives, but once the refrigerator has a problem, or if it is stopped, how can the meat placed in it be preserved? Maybe you haven't encountered this kind of problem, but if you encounter it, you will be caught off guard. Here are some ways to save meat without using a refrigerator. 1. Freshen with a damp cloth dipped in vinegar
DLP Home Projecror-The principle is mainly to switch the light through the control of the micro-mirror, so as to realize the color scale and gray scale. On the small DMD chip, there are nearly a million small mirrors that are smaller than the hair The advantages of DLP projectors are: long service life and fast response speed
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