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The type performance and sealing requirements of the seals vary from o
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During the "Twelfth Five-Year Plan" period, the development
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To choose the right and appropriate surge protector, first we need to
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SKD11 die steel is an air-cooled hardening die steel widely used in the wo
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This paper briefly describes the working principle and main structure
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Since China's accession to the WTO, China's "going out&qu
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The PTFE gasket is divided into an expanded PTFE gasket, a PTFE sandwi
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PE sheets, ie polyethylene sheets, are made from polyethylene. Polyeth
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