The paper introduces the application of air drilling technology in well Dayi 1.
文中介绍空气钻井技术在大邑1井的应用情况。
The horizontal direction drilling technology is a new one in modern non-excavating construction.
水平定向钻进铺管技术是一种现代的非开挖施工新技术。
This paper introduce the drilling equipment and technology of Keshen 1 well.
本文主要介绍了柯深1井的钻井装备和钻井工艺。
The subterrene drilling method is a new excavation technology.
热熔钻进是一种新式钻进技术。
The subterrene drilling method is a new excavation technology.
热熔钻进是一种新式钻进技术。
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