“service shaft”的概念、定义、翻译、参考文献-科学参考

单词	service shaft
释义	service shaft Encyclopedia 工学竖井释 service shaft措施井为加快地下矿山建设，增加开拓巷道的掘进工作面数而专门设置的井筒，或为现有井筒延深而专门设置的辅助施工井筒。工学竖井释 service shaft副井矿山生产中，主要用于提升人员、材料、设备或废石的竖井或斜井。通常也兼有进风功能并作为安全出口。
随便看	principle of crosscutting relationships principle of democratic centralism principle of dependent choice principle of dependent choices principle of dependent choices (DC) principle of detailed balance principle of detailed balancing principle of development principle of dimensional chain for assembly principle of direct and oral trial principle of directional duality principle of direct negotiations principle of dissipation principle of diversity and dominance principle of domain extension principle of domination principle of duality principle of educational management principle of effective control principle of effective stress principle of electrical neutrality principle of emotional cognition principle of energy principle of entropy increase principle of environmental democracy

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