The review of the power plant new shipbuilding adopts the main shaft shaft generator syst.......
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First, the main structure and working principle: .......
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Research on Vacuum Heat Test Method for Accelerating Cooling of Specimen
Recently, Continental Group announced that it has officially signed an investment ag.......
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At present, the tires in the special-purpose vehi.......
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With the rapid development of the machining center marke.......
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According to the China Associat.......
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