Advertising machine is a new generation of intelligent equipment. It forms a complete advertising broadcast control system through terminal software control, network information transmission and
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A silicon core transformer, also known as a silicon steel transformer, is a type of transformer that uses a core made from silicon steel (also known as electrical steel or transformer steel).
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First of all, I would like to give you a brief introduction: Wonhwang pear, also known as Shinseiki pear, it is the early ripe pear variety bred by the Korean Horticultural Research Institute with
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Shandong Senge New Material Co., Ltd: Find professional mono color quartz, pure quartz, carrara quartz, calacatta quartz, white mirror quartz manufacturers and suppliers in China here! Please rest
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For plain lamps, the light source is a big problem. There is basically no difference in color, and it is not very friendly to eyesight. LED lights are different.