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Which shortcomings do incandescent lamp has?

Hits:  UpdateTime:2015-06-16 17:05:45

Reply: advantage: the cost is low; easy to use, the light lamp doesn't need any enclosure; but follow open follow close, the merely color gentle, prominent color index is high; adjust illumination; service convenient. Shortcoming: shine the efficiency is low; ask to is relatively higher to power supply tension.

TAG:   incandescent lamp