发表于 2025-3-25 04:35:21

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predict 发表于 2025-3-25 07:56:54

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有说服力 发表于 2025-3-25 15:43:02

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侵略者 发表于 2025-3-25 16:52:53

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mitral-valve 发表于 2025-3-25 22:26:55

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Relinquish 发表于 2025-3-26 02:07:18

Poly-Phase a.c. Circuits,ses’ are generated is described in sections 13.2 and 13.3, and we concentrate here on the advantages of the use of a poly-phase supply which are:.A poly-phase supply system may have two, three, four, six, twelve or even twenty-four phases, with the . being the most popular. The National Grid distrib

saphenous-vein 发表于 2025-3-26 05:05:26

a.c. Motors,across the conductor. By applying ., you can determine the direction of the induced e.m.f. and current in the conductor. You need to be careful when applying Fleming’s rule in this case, because the rule assumes that the . (in this case it is the ., so the direction of the induced e.m.f. is determin

chiropractor 发表于 2025-3-26 11:25:41

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鄙视读作 发表于 2025-3-26 14:16:38

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Pruritus 发表于 2025-3-26 17:42:33

Electrochemistry, Batteries and Other Sources of e.m.f.,The chemical effect of an electric current is the basis of the .; the flow of electric current between two . (one being known as the . and the other as the .) in a liquid (the .) causes material to be lost from one of the electrodes and deposited on the other.
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