intellect
发表于 2025-3-27 00:39:38
David Forrest,Beth Johnsonubvolume III/19i2 deals with the magnetic properties of hard magnetic alloys for permanent magnets. The large fields of both the well-known magnets based on 3d elements and the currently widely investigated alloys based on rare earth elements are covered. The relation between the permanent magnet pr
兽皮
发表于 2025-3-27 03:26:48
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semiskilled
发表于 2025-3-27 07:16:16
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渐强
发表于 2025-3-27 11:44:58
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奴才
发表于 2025-3-27 15:47:42
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痛得哭了
发表于 2025-3-27 19:22:34
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