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stage room stoping mining method
释义
stage room stoping mining method
Encyclopedia
工学
空场采矿法
释
stage room stoping mining method
阶段矿房采矿法
把矿块规则地划分为矿房和矿柱,先用深孔采矿法回采矿房,后用适当方法回采矿柱的空场采矿法。回采过程中,暂留阶段矿房高度的空区,在巷道内进行回采作业,矿石借自重全部溜到矿块底部的阶段出矿巷道集中出矿,作业人员和设备不进入空区。
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radioactive beam physics
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radioactive colloid
radioactive contamination
radioactive contamination around the nuclear power plant
radioactive contamination from[at] uranium mine
radioactive contamination-induced damage
radioactive contamination in food
radioactive contamination of fisheries environment
radioactivecontamination of food
radioactive contamination of groundwater
radioactive contamination of surface water
radioactive cow
radioactive dating
radioactive dating, radiometric dating
radioactive decay
radioactive decay chain
radioactive decay constant
radioactive decay family
radioactive decay law
radioactive decay scheme
radioactive decay series
radioactive decontamination
radioactive deposit
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