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What is the difference between incandescent lamp, tungsten lamp and fluorescent lamp?

5 answer

LED15W is equivalent to the number of incandescent bulbs W?

4 answer

Incandescent bulb tungsten wire put a small amount of red phosphorus, the reason is?

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What is the color temperature of commonly used light sources, such as incandescent lamps

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What is the color of the incandescent lamp when it is bright?

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What is the power factor for incandescent lamps?

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3w led bulb equivalent to the number of ordinary energy-saving lamps, the equivalent of how many tile incandescent lamp

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E14 incandescent bulb and LED light bulb which bright!

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With the long incandescent bulb wall black, it is experienced which changes are formed below

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20W energy saving lamp is equivalent to the number of incandescent W

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Incandescent filament with a long time why it will be thinner

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Why is the incandescent lamp burned at the moment of turning on the lights?

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Incandescent lamp can be up to how much temperature

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Energy-saving lamps and incandescent lamps which light is good

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Headlights of the incandescent lamp

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LED bulb w can replace 40w incandescent lamp

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Why is the incandescent lamp made of yellow light

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Invented incandescent

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Led lamp incandescent lamp eye protection that the best eye

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60 watts of incandescent color temperature is how much K? Which light color is 4000-5000K?

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Is it incandescent?

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Incandescent a total of several wattage?

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How many degrees of primary school students to learn incandescent

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Will incandescent light be white?

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Does the incandescent lamp have a bad eye?

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The difference between energy-saving lamps and incandescent lamps is where energy is saved

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The construction and working principle of incandescent lamp

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The principle of light

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Ordinary incandescent lamp with what kind of light mouth

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How to remove the incandescent lamp cap

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