主斜坡道
![主斜坡道](../cache/1353557.jpg)
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开阳磷矿南延工程主斜坡道变形破坏综合治理方案
Comprehensive harnessing programme for deformation destruction of main ramp in Kaiyang Phosphate Mine
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辅助斜坡道开拓与主斜坡道开拓系统的应用
Application of assistant and main ramp exploitation systems
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金川矿山的主斜坡道
The main ramps in Jinchuan Mining District
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介绍了辅助斜坡道开拓与主斜坡道开拓系统在三山岛金矿的应用情况。
The application of assistant and main ramp exploitation systems in SanShanDao Gold Mine are introduced .
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结果表明多机并联空气幕能代替辅扇引射风流,提高主斜坡道内有效风量,降低风流湿度。
The result showed that the air curtain could eject airflow in stead of auxiliary fan , which raised the active volume and reduced the humidity of the airflow for main ramp .
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从新城金矿主斜坡道超挖现状入手,分析造成超挖的原因,提出减少大断面巷道(硐室)掘进施工超挖的具体措施,以提高矿山综合经济效益。
Begining with the current situation of the over excavation of main ramp , the analysis of the cause of over excavation was made and measures for reducing over excavation in the construction of large section tunnel were brought forward .