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Rotary oscillation aerator
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Leak-proof machine seal
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Rotary aerator
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Nitration and denitrification reaction tower
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Urban sewage treatment system
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Liftable rotary oscillation aerator
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Device for preventing sewage pump from being blocked
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Jet aerator
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Energy-saving and consumption-reducing sewage treatment equipment
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Device for producing purified water by using river water temperature difference
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Device for synchronously recycling salt during seawater purification
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Facultative MBR (membrane bioreactor) integrated treatment equipment
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Oxygenation device for riverway restoration
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Device for recycling organic acid and synchronously deodorizing by using UASB (upflow anaerobic sludge blanket)
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Buoyancy control switch
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