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碳刷
電機(jī)碳刷概述 碳刷是電動機(jī)或發(fā)電機(jī)或其他旋轉(zhuǎn)機(jī)械的固定部分和轉(zhuǎn)動部分之間傳遞能量或信號的裝置，它一般是純碳加凝固劑制成，外型一般是方塊，卡在金屬支架上，里面有彈簧把