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Fine treatment method for sealing packing graphite ring of compressor
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Shopping mall shopping consumption recommendation system based on block chain
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Charging pile
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Foundation pile for civil engineering, construction method and detection method thereof
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Double-block type ballastless track bent frame device, adjusting method and construction method thereof
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A sludge treatment equipment for it is biological
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Automobile glass clamping strip bending device
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Compression permanent deformation test device for automobile glass guide groove
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New energy automobile glass washs stoving integration equipment
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Construction process of large-span assembly type steel-concrete combined simply-supported box girder
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