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t-hole

Discussion in 'Specialized Terminology' started by Mariaelena52, May 7, 2013.

  1. Mariaelena52 Junior Member

    Santiago
    Español - Chile
    Here I am again: this concerns geology, and the phrase goes like this: "In order to investigate the geology, diamond drilled T-hole drilling along the tunnel alignment has been performed..."
    What is a diamond T-hole?
    Any ideas?
    Thanks again,
    Mariaelena
     
  2. Sethi I

    Sethi I Senior Member

    Los Ángeles-Chile
    Spanish-Chile
    Hallo:
    Perforación/sondajes con corona de diamantes/diamantina
    T-hole ; el bit de perforación tiene la forma de una cruceta
    See you
     

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