The paper gives solutions to the problems with lighting circuit of permissive aspect of block signal of existing automatic block section according to relevant specifications.
通过对现有自动闭塞区间通过信号机容许信号点灯电路存在问题的分析，根据相关规范，提出解决办法。
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。
Surface model and internal model of orebody were established by line-frame and block-section method, respectively.
基于线框法及块段法分别构建矿体的表面模型及内部模型。
The boundary configuration and internal model of orebody can be established accurately by using line-frame method with block-section method.
线框构模法与块段法相互结合可用于精确表达矿体的边界形态及内部属性。
The boundary configuration and internal model of orebody can be established accurately by using line-frame method with block-section method.
线框构模法与块段法相互结合可用于精确表达矿体的边界形态及内部属性。
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