Lamp holder and lamp holder: The lamp holder of common bulb and bulb glass case fall off easily below high temperature circumstance.
灯头与灯座：普通灯泡的灯头与灯泡玻璃壳在高温情况下轻易脱落。
Lamp holder and lamp holder: The lamp holder of common bulb and bulb glass case fall off easily below high temperature circumstance.
灯头与灯座：普通灯泡的灯头与灯泡玻璃壳在高温情况下轻易脱落。
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