White light-emitting diodes (LEDs) are becoming an alteative general light source,with huge energy savings compared to c......

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文章主要介绍,通过提高树脂体系中氮(N)含量,成功开发了一种对环境更友好的"三无"覆铜板.所谓"三无"是指无卤、无磷和无铅兼容.......