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凿井通风
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凿井通风
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工学
竖井施工方案
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sinking ventilation
凿井通风
竖井施工时,采用换气方法排除爆破后聚集在掘进工作面空气中的有害气体和粉尘,改善作业环境的作业工艺。
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nucleic acid structure
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nucleo-cytoplasmic interaction
nucleo-cytoplasmic large DNA virus,NCLDV
nucleofuge
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nucleogenesis of element
nucleogenesis (of elements)
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nucleoid
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nucleolar dominance
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nucleolus
nucleolus of a game
nucleolus organizer region
nucleometer
nucleon
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