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mine shaft and drift
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mine shaft and drift
Encyclopedia
工学
矿山井巷
释
mine shaft and drift
矿山井巷
为采矿提升、运输、通风、排水、动力供应等维持矿山正常生产需要而掘进的通道和空间。
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niche complementarity hypothesis
niche differentiation
niche overlap
niche space
niche variation hypothesis
niche width
Nichiren
nichirenshoshu
nichirenshu
Nichita Stanescu
Nicholas Hans
Nicholas Hasluck
Nicholas Hilliard
Nicholas John Belkin
Nicholas Jose
Nicholas Kaldor
Nicholas of Cusa
Nicholas Ray
NicholasⅠ
NicholasⅡ
Nicholson
Nicholson-Bailey host-parasite model
Nicholson formula
Nicholson Regio
Nichols plot
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