long hole method 中文意思是什麼

long hole method 解釋
深孔法
  • long : n 朗〈姓氏〉。vi 渴想,極想,渴望 (for 〈古語〉 after to do)。adj (longer longest )1 長,長的...
  • hole : n 1 洞,穴,孔;(衣服等上的)破洞;傷口;漏洞;窩,坑;水流的深凹處,(河道的)緩流窪。2 (獸的...
  • method : n 1 方法,方式;順序。2 (思想、言談上的)條理,規律,秩序。3 【生物學】分類法。4 〈M 〉【戲劇】...
  1. Comprehensive gas drainage method with long directional drilling hole

    定向長鉆孔綜合抽放瓦斯方法
  2. Construction technique of foam method for drilling long gas extraction hole

    泡沫法施工瓦斯抽放長孔工藝
  3. In this paper, technology for water injection by long bore hole in fully mechanized mining face was studied, relevant experience and some parameter were acquired, which provide a reference for using this method in similar faces

    以鄭州礦區典型的「三軟」煤層綜放工作面為對象,試驗研究了長鉆孔注水防塵技術,取得了「三軟」煤層長鉆孔注水經驗和參數,為鄭州礦區類似條件的工作面推廣該方法提供了參考。
  4. Abstract : in this paper, technology for water injection by long bore hole in fully mechanized mining face was studied, relevant experience and some parameter were acquired, which provide a reference for using this method in similar faces

    文摘:以鄭州礦區典型的「三軟」煤層綜放工作面為對象,試驗研究了長鉆孔注水防塵技術,取得了「三軟」煤層長鉆孔注水經驗和參數,為鄭州礦區類似條件的工作面推廣該方法提供了參考。
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