To block stoping, mining system design mainly includes design of block parameter, design of pillar's dimension, design of ore drawing sequence.
对于阶段空场法，采矿系统设计主要包括采场结构参数、矿柱大小、回采顺序等。
When the mining area enter the end stage, the optimization design of final block section and uphill pillar recovery are important.
采区进入收作阶段，最后块段与上山煤柱回收的优化设计、合理开采尤为重要。
When the mining area enter the end stage, the optimization design of final block section and uphill pillar recovery are important.
采区进入收作阶段，最后块段与上山煤柱回收的优化设计、合理开采尤为重要。
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