SMD COB 大功率 LED它们的优点与缺点分别是什么?
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![SMD COB 大功率 LED它们的优点与缺点分别是什么?](/uploads/image/z/6673927-31-7.jpg?t=SMD+COB+%E5%A4%A7%E5%8A%9F%E7%8E%87+LED%E5%AE%83%E4%BB%AC%E7%9A%84%E4%BC%98%E7%82%B9%E4%B8%8E%E7%BC%BA%E7%82%B9%E5%88%86%E5%88%AB%E6%98%AF%E4%BB%80%E4%B9%88%3F)
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