Both theory and practice indicate that the stability of rock can be achieved through fully exerting the mutual action between the bolt with wire mesh and the surrounding rock.

 
  • 理論和實(shí)踐表明,深部全煤巷道通過(guò)強化支護和適度讓壓,充分發(fā)揮錨網(wǎng)-圍巖整體力學(xué)效應,可以達到巷道穩定的目的。
今日熱詞
目錄 附錄 查詞歷史
国内精品美女A∨在线播放xuan