For the enhancement of equipment level and the tunneling efficiency ,the production and construction coal mine of DaiZhuang has introduced the EBZ-90 coal lane tunneling machine in 2004.

 
  • 岱庄生建煤矿为提高装备水平,提高巷道的掘进效率,于2004年引进了EBZ-90型煤巷掘进机。
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