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qqaw8
混吃混喝
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樓主  發(fā)表于: 2024-11-12 10:01
圖片：
想學(xué)習西門(mén)子，買(mǎi)了個(gè)二手的1503，結果電源接口上面看不到正負標識，為什么？您的不分正負24伏？
漂泊的石頭人
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1樓  發(fā)表于: 2024-11-13 10:06
端子上有標識，人家有防呆口設計，需要你關(guān)注這里嗎？

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