• 技术方案降低了冷光源灯泡引线接头接触电阻延长冷光源灯泡的使用寿命

    The technology reduces contacting resistance of the lead wire joint of the cold-light bulb and prolongs service life the cold-light bulb.

    youdao

  • 技术方案降低了冷光源灯泡引线接头接触电阻延长冷光源灯泡的使用寿命

    The technology reduces contacting resistance of the lead wire joint of the cold-light bulb and prolongs service life the cold-light bulb.

    youdao

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