支撐煤柱 的英文怎麼說
中文拼音 [zhīchēngméizhù]
支撐煤柱
英文
hunting coal-
Using individual hydraulic prop in thin coal seam face is better than the others in the aspect of support strength, premary supporting force, shrink amount and safety
在薄煤層工作面中使用單體液壓支柱,在支護強度、初撐力、可縮量、安全保障及操作人員安全上,都優于其它單體支護材料。It indicates that setting load of front leg and front leg - to - wall distance and load - bearing waste shield have important influences towards tip - to - face roof stability, results have been proved by the example analysis
研究指出支架前柱初撐力、支架前柱到煤壁距離、掩護梁受載等參數對端面頂板穩定性有重要影響,結論在現場得到了驗證。This method uses pillars of coal to hold up the mine ' s roof
這種方法使用煤柱支撐礦井的頂部。
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