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polysaprobic zone
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polysaprobic zone
Encyclopedia
理学
多污生物带
释
polysaprobic zone
多污生物带
根据污水生物划定的最严重有机物污染的河流区域。
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external angle
external-angle bisector
external attribution
external auditory osteoma
external balance type thermostatic expansion valve
external bisector
external budding
external calibration
external calibration method
external capital requirement
external cause
external cavity surface emitting laser
external center of similitude
external characteristics
external characteristic test
external chest compression
external coating of fusion bonded epoxy
external coating of pipeline
external coefficient
external-combustion engine
external common tangent
external composition
external composition law
external compression inlet
external conical refraction
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