硐室爆破

  • n.coyotehole blasting
  • 网络chamber blasting; chamber blasting,coyote blasting; heading blast

硐室爆破硐室爆破

硐室爆破

chamber blasting

采矿专业英语大全 - 豆丁网 ... 冻结压力 freezing pressure 硐室爆破 chamber blasting 硐室掘进 chamber excavation ...

chamber blasting,coyote blasting

爆破安全规程GB6722-2003 ... 3.8 硐室爆破 chamber blasting,coyote blasting 3.9 定向爆破 directional blasting ...

heading blast

矿业工程专业... ... heading assembly 掘进机械 heading blast 阶段爆破;超前工祖爆破;硐室爆破 heading chain pillar 巷道煤柱 ...

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