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.

 
  • 在薄煤层工作面中使用单体液压支柱,在支护强度、初撑力、可缩量、安全保障及操作人员安全上,都优于其它单体支护材料。
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