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Multimedia speaker

Multimedialoudspeakerisaloudspeaker,mainlyusedformultimediaequipment,multimediaisthecombinationofcomputerandvideotechnol...

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Analysis of working principle of passive electromagnetic buzzer

Internalstructureofpassiveelectromagneticbuzzer:1234waterproofstickersbobbincoilmagnet5base6pin78coreshell9sealingglue10...

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Application of piezoelectric pressure sensor

1Applicationofpolymerpiezoelectricmaterials(1)glassbreakingalarmdeviceThepolymerpiezoelectricvibrationfilmispastedontheg...

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