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impeller aerator
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impeller aerator
Encyclopedia
农学
叶轮式增氧机
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impeller aerator
叶轮式增氧机
浸没于水中的叶轮做水平回转,从而增加水体中溶氧的一种池塘养殖增氧机械。又称叶轮增氧机、救鱼机。
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nuclear reaction analysis
nuclear reaction cross-section
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nuclear reaction rate
nuclear reaction threshold
nuclear reactor
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nuclear recoil energy
nuclear reconstitution
nuclear reconstruction
nuclear reentry vehicle
nuclear refrigeration
nuclear region
nuclear representation
nuclear reprogramming
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nuclear resonance X-ray spectroscopy
nuclear resonance X-ray spectroscopy, NRXS
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nuclear safeguards technique
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