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副井
释义
副井
Encyclopedia
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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Catadioptric Lens
catadioptric objective
catadioptric optical system
catadioptrics
catadioptric system
catadioptric telescope
catadromous fishes
catadromous species
catafactor
Catafo Saxum
catafront
catafusene
catagenesis reaction
catagraphites
Catalan
Catalan aliquot sequence conjecture
Catalan arrangement
Catalan conjecture
Catalan constant
Catalan constant approximation
Catalan Diophantine problem
Catalan identity
Catalan integral
Catalan literature
Catalan-Mersenne number
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