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hard-rock drilling

H 开头单词

基本解释

  • [教育学]硬岩层钻井

英汉例句

    双语例句

  • The revolving-drilling technique is one of the new-type and effective methods for hard rock drilling.
    旋冲钻井技术被认为是解决深井硬地层钻井难题的最有效方法之一,具有良好的应用前景。
  • In this paper, the development of drilling extro-hard, compact and weak - abrasive rock structure with diamond bit was summarized since diamond drilling technology' was popularized in China.
    本文回顾了我国自推广金刚石钻进技术以来,金刚石钻头在坚硬致密弱研磨性岩层中钻进研究进展。
  • The percussive - rotary drilling technology is one of the most effective ways to solve the drilling difficulties in hard rock in recent years. The technology has a good application prospect.
    旋冲钻井技术近年来已成为石油钻井界广泛关注的热点研究课题,被认为是解决深井硬地层钻进难题的最有效方法之一,具有良好的应用前景。

专业释义

    教育学

  • 硬岩层钻井
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