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Monitoring method of monitoring equipment with self-checking function
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Online detection system and method for available chlorine in water quality disinfection process
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Online aluminum content detection system and method
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Simple floating ball water taking device
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A kind of pre-procesor for water quality detection
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A kind of binary channels sampling apparatus and method for river water quality monitoring system
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A kind of ozone concentration on-line detecting system and method
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A kind of film machine roller regulating device
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A kind of permanganate index online test method and system
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A kind of water quality analytical system and method
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A kind of river Multiparameter water quality monitoring system
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One kind being based on irreflexive sludge detection device
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A kind of oil sealing waterproof construction and underwater detectoscope for underwater detectoscope
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A kind of double light source measurement device and methods of COD
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A kind of water quality detecting device
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A kind of sewage detection device
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It is a kind of can accurate adjustment light path dust instrument and its adjusting method
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