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Development of ZY-89 Drill Gas Pressure Measuring Apparatus and the Application
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Institute of Exploration Technolog， CAG,Institute of Exploration Technolog， CAGS,No.113 Geological Party, Sichuan Bureau of Geology and Mineral Exploration,No.113 Geological Party, Sichuan Bureau of Geology and Mineral Exploration,b,b

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TD712 1.55

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    Abstract:

    According to the characteristics of coalfield geology exploratory borehole, ZY-89 drill gas pressure measuring apparatus is developed. The paper introduces the apparatus about its working principles, structure and technical features, as well as its application in Guxu coalmine of Sichuan.

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History
  • Received:June 26,2013
  • Revised:June 26,2013
  • Adopted:July 12,2013
  • Online: August 02,2013
  • Published:
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