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1、“三看”原则1看平移◣门电机马力大小即人们通常会问到的，就是这≡门机能开多大的门或多重的门人们的习惯总是简单地认〇为开门机的外型个头越大力气就越大，这是不科＠学的其实，电机功率大小是由转子参数直径大小；二德ξ 国多玛自...
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