• 高压射流径向水平钻进技术水平孔施工技术之一,它在垂直瓦斯抽放煤层气勘探钻孔布置机械水力扩孔装置对准选定的煤层部位进行扩孔。

    As one of radial horizontal drilling techniques, high pressure water jet drilling technology is capable of using mechanical or water jet apparatus to make a cavity at the selected coal seam.

    youdao

  • 高压射流径向水平钻进技术水平孔施工技术之一,它在垂直瓦斯抽放煤层气勘探钻孔布置机械水力扩孔装置对准选定的煤层部位进行扩孔。

    As one of radial horizontal drilling techniques, high pressure water jet drilling technology is capable of using mechanical or water jet apparatus to make a cavity at the selected coal seam.

    youdao

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