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Application of LED in rail transit lighting system
Green lighting refers to the adoption of scientific lighting design, lighting products with high luminous efficiency, long life, safety and stable performance to improve and enhance people's work, study and life, so as to create an efficient, comfortable, safe, economical and beneficia ....
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How is the LED street lamp manufacturer's cooling s…
The main design of the traditional LED street lamp head design focuses on the lumen number of the LED, while the heat dissipation of the LED lamp is less concerned. In fact, the lumens of LEDs are rapidly increasing. The single-watt lumens of mass-produced LEDs in 2009 have reached 100 lumens, and t ....
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Vacuum circuit breaker has unlimited market potential
Vacuum circuit breakers are small in size and light in weight. They have the advantages of frequent operation and arc extinguishing without maintenance. They can be used for the protection and control of electrical equipment in industrial and mining enterprises, power plants and substation ....
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Windows 8.1 system China price exposure
Recently, Microsoft has announced the full price of Windows 8.1, and today, Microsoft China also announced the Chinese price of Windows 8.1, since 7:00 PM, October 17, Beijing time, existing Windows 8 users can pass Download Windows 8.1 update for free from the Windows Store. In China, th ....