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勘探坑道
释义
勘探坑道
Encyclopedia
理学
坑探工程
释
exploratory tunnel
勘探坑道
在勘探矿床时,为了揭露、追索和圈定矿体及研究矿体地质所掘进的地下坑道。
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closed scheme
closed season
closed semicircle
closed semigroup
closed semisphere
closed sentential formula
closed sequence
closed set
closed set basis
closed-shelf book selling
closed shell
closed shell ion
closed-shell ion
closed shell molecule
closed simplex
closed solid sphere
closed solution
closed space
closed sphere
closed star
closed string
closed subalgebra
closed subbase
closed subcomplex
closed subfield
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