In July 2010, in the ancient city of Xi’an, the sun was hot and the hot temperatu.......

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First, the importance of regulating valve fire In the chemical, petroleum and other automation .......

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Abstract: The structure of circulating pump rotor is huge and the shape error exists.......

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1. Admitting the ancestor's electronic control de.......

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Although smart pressure sensors have been on the market for a long time, many se.......

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With the rumor.......

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The frequency of mobile phone explosions seems to make the mobile phone an untimely bomb th.......

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