女同互添下身视频在线观看

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      Mining PDC Core Bits
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      Mining PDC Core Bits

      Features:
      • PDC cutters are set on the crown of the bits.

      • With long working life, fast penetration and high percentage core recovery. 

      • Ideal to set it on high powered drill rigs operating at relatively low rotation speeds. 

      • The life and penetration is much better than surface setting bits. 

      • Type of PDC Cutters: flat or dome PDC cutters.

      PDC Core Bits

      Made by high wear resistance and high impact resistance, oil standard PDC cutters

      PDC Core Bits-6.png

      Features: 

      • Suitable for Mohs hardness groups 3 – 6.

      • Suitable for water, polymer or air flush. 

      • High penetration rate.

      • Good core recovery. 

      Recommended Applications:

      Geological prospecting 

      Environmental investigation

      Mineral exploration

      -----Suitable for soft to hard  formations-----

      Available Sizes:

      • φ65mm
      • φ75mm
      • φ94mm
      • φ113mm
      • φ133mm
      • φ153mm
      • φ200mm


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      女同互添下身视频在线观看