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煤柱 méizhù
earth.sc. pillar
eng.geol. stander; stoop
tech. coal block; coal pillar; coal wedge
煤柱煤矿开采中为某一目的而保留不采或暂时不采的煤体 méizhù
expl. coal pillar
煤柱
: 36 phrases in 6 subjects
China1
Engineering geology2
Explosives and Explosive Ordnance Disposal4
General8
Mining1
Technology20

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