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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。
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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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