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下向进路充填法
释义
下向进路充填法
Encyclopedia
工学
上向分层充填采矿法
释
downward drift stoping with backfill
下向进路充填法
将矿块沿竖直方向划分为若干分层,由上而下逐层以巷道进路的方式进行回采并充填的采矿方法。
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transportation information database
transportation information security authentication
transportation informatization planning
transportation insurance
transportation inventory
transportation junction
transportation key management
transportation machinery
transportation management
transportation management information system
Transportation management system
transportation matrix
transportation network
transportation of blasting materials
transportation of cruise ship
Transportation of life
transportation of massive products
transportation of oil & gas products
transportation of open pit
transportation of solid waste
transportation operations coordination center
transportation organization
transportation phenomena in solid
transportation planning of human settlements in mountainous area
transportation problem
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