drivage

常见例句

• The cut way and hole parameters affect the drivage efficiency and cost.
  掏槽方式及布孔参数影响着掘进效率和成本。
• The improvement of the advance rate of roadway drivage is the basic guarantee for constructing highly effcient and productive mines.
  提高巷道掘进单进是建设高产高效矿井的根本保证。
返回 drivage