韩国龙声电机株式会社(yongsung electric co;ltd)型号齐全,价格优惠:.
ledlight emitting diode,发光二极管,是一种能够将电能转化为可见光的固态的半导体器件,它可以直接把电转化为光。
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试验变压器:能产生高压,对电气设备进行高压试验。
背光源按光源类型主要有el、ccfl及led三种背光源类型,依光源分布位置不同则分为侧光式和直下式底背光式。以下是它们的简单介绍。
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