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Difference between active and passive buzzers

Buzzer is an electronic structure with integrated structure. It is powered by DC voltage and is widely used as a sounding device in computers, printers, copiers, alarms, electronic toys, automotive electronics, telephones, timers and other electronic prod...

Development trend of tire industry in 2019

The performance of tire production and sales in 2018 was not satisfactory. Due to the impact of environmental protection and the high prices of some rubber raw materials, the production costs of tire manufacturers continued to increase. Prices were raised...

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