29
2020.04Magnetism will be weakened by the influence of external environment, such as temperature change, other magnetic field or electric field interference. For magnet
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09
2020.041. If you need the most functional magnets, of course, neodymium, iron and boron are the only ones.
However, there are many comprehensive factors to be consider
30
2020.04It sounds familiar. Everyone knows that magnets absorb iron. Many people have used them, but when asked about the specific application of magnets in daily life
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