deep core

 
  • 深孔

deep core的用法和樣例:

例句

  1. When drilling deep holes, the feed movement should be released from time to time.
    在鑽深孔的時候,有時必須放鬆進給運動。
  2. The new method adopted roof presupporting,deep and medium hole blasting,LHD ore removal and tailings filling.
    該採礦方法採用采場預控頂技術,中深孔爆破,鏟運機出礦,尾砂充填。
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