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roof bolt中文是什么意思

  • 顶板锚杆
  • 隧洞洞顶锚栓

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  • 例句与用法
  • Roof bolt plates for mining and tunnel support
    矿井和遂道支撑用防护锚栓板
  • Research and development of new drilling bit for roof bolt driller
    锚杆钻机新型钻头的研制
  • Galvanized mild steel roofing bolt and nut
    镀锌瓦楞螺栓螺帽
  • Technique of combined supporting of roof bolting with bar and wire mesh in coal roadway
    煤巷锚梁网组合支护技术的研究与应用
  • Expansion type roof bolt
    膨胀式锚杆
  • Application of the technology of roof bolting with bar and wire mesh in the zhangji coal mine
    三维地震勘探在王庄煤矿62采区的应用
  • Based on the rock pressure ' s characteristics of the pre - driven roadway , the rational support plan and parameters about roof bolting with bar and wire mesh are determined , and the manner of driven waste in place of coal was adopted
    基于断层中预掘巷的矿压特点,确定出其合理的锚梁网支护方案与支护参数,并采用了掘出的矸石与煤的合理“置换”方式。
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