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cjt1890
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樓主  發(fā)表于: 2013-12-06 15:37
什么是真空電機，主要功能是什么
gongling888
gongling
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1樓  發(fā)表于: 2013-12-09 11:13
真空電機通常用于步進(jìn)、伺服，可在真空壞境下使用，是有這種電機。

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