roller bit मीनिंग इन हिंदी

roller bit उदाहरण वाक्य
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उदाहरण वाक्य

  1. In 1939, after working as a Sales Engineer with Reed Roller Bit Company in fracturing and cementing.
  2. It is unlikely that he actually invented the two-cone roller bit, but his legal experience helped him in understanding that its patents were important for capitalizing on the invention.
  3. In the 1970s, outside of the oil and gas industry, roller bits using mud circulation were replaced by the first pneumatic reciprocating piston Reverse Circulation ( RC ) drills, and became essentially obsolete for most shallow drilling, and are now only used in certain situations where rocks preclude other methods.


  1. a drill bit that has hardened rotating rollers
    पर्याय: rock bit

के आस-पास के शब्द

  1. rolled-up
  2. roller
  3. roller bandage
  4. roller bearing
  5. roller bearings
  6. roller bucket
  7. roller caster
  8. roller casting
  9. roller chain
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