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LED lighting control, LED musical metronome, LED type of engineering control chip.
LED照明控制，LED音乐节拍器、LED种类工程控制芯片。
youdao
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Dust control technology, long life, with LED lighting and alarm lamp.
防尘技术，寿命长，自带LED照明，警报灯。
youdao
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Dust control technology, long life, with LED lighting and alarm lamp.
防尘技术，寿命长，自带LED照明，警报灯。
youdao