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采场矿柱
释义
采场矿柱
Encyclopedia
工学
回采预留矿柱
释
stope pillar
采场矿柱
为保护采场巷道,隔离已采空区,支撑采区范围的上部覆岩荷载,控制地压,确保采矿作业安全,在开采中留下的部分矿体。
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Dutch sports
dutch territorial spatial planning
Dutch Water Law
Dutch windmill graph
DuTiger-shaped Section from QinPeriod
duty
duty cycle
duty factor
Duty-household
duty in civil affairs
duty of care in treatment
duty of compulsory military service
duty of confidentiality
duty ratio
duty-related crimes
duty to planned parenthood
duty to receive education
duty work
Duu-a
Duurlig Nars Cemetery
Du Val
Duvalier family
duvet
Duwei
Du Wenlan
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