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The parts represented by gears are not only the basic industries of China's equipment manuf

First, supervision and regulation of boiler pressure During boiler operation, steam pr

On June 26, the number of companies dropped from 11,000 to 6,063, a d

In recent years, accidents involving the quality of safety helmets ha

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This summer, it is destined to be "hot" because of football

Researches on improving the energy density of lithium batteries

Hitachi Chemicals announced on June 26 that it will

Earlier this month, Microsoft exposed the details of 3D gestures and

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