... 紧急切断电源 emergency power off 紧密涂敷 close plating 紧耦合 close coupling ...
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Copper and plastic coefficient of expansion, and, therefore, more close to the plastic used in electroplating electroless copper plating coating layer as conductive.
金属铜与塑料的膨胀系数比较接近,因此,在塑料电镀中常用化学镀铜层作为电镀的导电镀层。
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