Overflow pollutant control evaluation method based on equivalence principle
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Prefabricated assembled grid energy dissipation inspection shaft and be suitable for sewage system who lays in river course
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Assembled grid energy absorber and drainage energy dissipation system suitable for municipal drainage gets into utility tunnel
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Method and device for cooperatively treating high-turbidity underground water containing associated humus natural organic matters, iron, manganese and ammonia nitrogen
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Drainage pipe network monitoring system
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Non-chloride snow-melting and ice-suppressing pavement paving material
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Asphalt concrete snow melting and ice suppression pavement structure
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Anhydrous drilling sound wave detection and water pressure test integrated device
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Bridge cable wind resistance cushioning members
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High performance modified bitumen, preparation method and bituminous concrete
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Nanocomposite modified pitch, preparation method and bituminous concrete
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Assembled drop well suitable for urban drainage pipe network
