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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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convex programming problem
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convex quadrilateral
convex region
convex regularization
convex relation
convex semigroup
convex sequence
convex set
convex solid
convex space
convex structure
convex subgroup
convex sublattice
convex subset
convex surface
convexsurface
convex topology
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