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保安矿柱
释义
保安矿柱
Encyclopedia
工学
回采预留矿柱
释
safety pillar
保安矿柱
为保护地表重要设施、地貌和主要井巷,避免其因井下开采影响而产生破坏,或分隔含水层及破碎带、矿段或矿块等目的而留设不采或暂时不采的部分矿体。
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Juba
Jubba River
Jubilee Park of Tianjin
Ju Chao
Judah Halevi
Judah ha-Nasi
Judah Leib Gordon
Judah Waten
Judaism
Judaism as a Civilization
Judas
Judas Maccabeus
Judea Pearl
Jude Law
Judeo-German
judge
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Judge Disciplinary Committee
judgement
judgement sampling
Judgements on Calligraphers
judgment and holding in administrative litigation
judgment inter parties
judgment of policy instrument choices
judgment of public opinion
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