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坑道通风技术
释义
坑道通风技术
Encyclopedia
理学
坑探工程
释
ventilation of exploratory tunnel
坑道通风技术
在掘进坑道时,用机械(鼓风机、通风机等)或自然压力形成的压力差,使巷道中的空气不断流动的作业。
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Young America
Young and Prosperous
Young-Bouguer correction
Young Companion
Young Companion Publishing Company
Young crater
Young criterion
Young Designers' Exhibition
Young diagram
Young diagram and Young tableau
Young Dick Massacre
Young double slit
younger brother succeeding his elder brother’s throne
Younger Dryas
Younger Dryas event
younger orthograph
Young experiment
Young Faustina
young fish
young girl-old woman illusion
Young-Helmhilfz trichromatic theory
Young Hero Yulai
Young inequality
Young integral
Young John Allen
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