gedian 中文意思是什麼
gedian
解釋
葛店-
This text has analyzed the mechanism that relieving - shot control the deformation of roadway country rock, and the sureness of the rational parameter, relieving - shot is practiced in south high - pressure 31022 haulageway in gedian mine of shenhuo group, through the deformation data of two sides roadway and the roof - floor after releasing pressure, the effect of releasing pressure is verified, and relieving - shot parameter is rational
本文分析了卸壓爆破控制巷道圍巖變形的機理，以及合理參數的確定，並在神火集團葛店礦高地壓南31022機巷進行了卸壓實踐，通過卸壓后的巷道兩幫以及頂底板的變形量數據，證實了卸壓爆破起到了很好的卸壓效果，且卸壓爆破參數是合理的。 -
Analysis of the mining method of gedian mine for the coal seams under villages
葛店礦村莊下壓煤開采技術途徑分析
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