1。頻率 frequency 2。工作比 duty ratio 3。光量強度 luminance 4。LED光盤 LED diskette 相關詞: led燈泡, led電視, led lcd, led燈管, led燈條, led螢幕, led背光, led產業, led燈具, led手電筒 LED, 名詞, 感激不盡, 英文, 頻率,
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