drivage

常見例句

• The cut way and hole parameters affect the drivage efficiency and cost.
  掏槽方式及布孔參數(shù)影響著掘進效率和成本。
• The improvement of the advance rate of roadway drivage is the basic guarantee for constructing highly effcient and productive mines.
  提高巷道掘進單進是建設高產(chǎn)高效礦井的根本保證。
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