What is the cause of the bubble bulb in a beam lamp?
The time is too long, the bulb is old, or the switch is switched on frequently, resulting in too much temperature difference between the inside and outside of the bulb, and finally burst
The time is too long, the bulb is old, or the switch is switched on frequently, resulting in too much temperature difference between the inside and outside of the bulb, and finally burst
The time is too long, the bulb is old, or the switch is switched on frequently, resulting in too much temperature difference between the inside and outside of the bulb, and finally burst
