• Lamp holder and lamp holder: The lamp holder of common bulb and bulb glass case fall off easily below high temperature circumstance.

    灯头灯座普通灯泡灯头与灯泡玻璃高温情况下轻易脱落

    youdao

  • Lamp holder and lamp holder: The lamp holder of common bulb and bulb glass case fall off easily below high temperature circumstance.

    灯头灯座普通灯泡灯头与灯泡玻璃高温情况下轻易脱落

    youdao

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