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井下服务钻孔
释义
井下服务钻孔
Encyclopedia
工学
矿山井巷
释
underground service drilling hole
井下服务钻孔
用于地下采矿的充填、排水、泄水、供水、供风或布置电缆等所需的钻孔。
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ordered pair
ordered pair representation
ordered partition
ordered perception
ordered phase
ordered plane
ordered point defect
ordered polynomial
ordered principal minor
ordered product
ordered projective line
ordered projective plane
ordered quadruplet
ordered quasi-field
ordered reading official document
ordered ring
ordered sample
ordered sample cluster analysis
ordered sample clustering
ordered semigroup
ordered sequence
ordered set
ordered set with gaps
ordered set without gaps
ordered simplex
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更新时间:2025/3/15 10:21:27