This method has the advantages of no need of dismantling the cutterhead at heading face place, no need of setting up vertical shaft or operation corridor, less construction difficulty, quick reparation and low cost.

 
  • 該方法無(wú)需在掘進(jìn)面拆解刀盤(pán)、建豎井或工作廊道,施工難度小,修復速度快,費用低。
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