• 2022-05-27 问题

    What is the meaning of [img=36x37]1803a2fa28d2e21.jpg[/img]?[img=438x327]1803a2fa36fd650.jpg[/img] A: Coercive force B: Permeability C: Main flux D: Remanence

    What is the meaning of [img=36x37]1803a2fa28d2e21.jpg[/img]?[img=438x327]1803a2fa36fd650.jpg[/img] A: Coercive force B: Permeability C: Main flux D: Remanence

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