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為什么串激電機(jī)受到阻力時(shí)反電勢(shì)會(huì)減小？反電勢(shì)是如何計(jì)算的？ |
Archiver|手機(jī)版|小黑屋|機(jī)械社區(qū) ( 京ICP備10217105號(hào)-1，京ICP證050210號(hào)，浙公網(wǎng)安備33038202004372號(hào) )
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發(fā)表于 2010-9-8 19:01:17
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