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Clack
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
- The hinged, lidlike part of a check, clack, or pump valve. also called check, flap, flapper.
- A clack or pump valve.
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Claypit, английский
- A sump in which a drilling mud is mixed and stored.
- A pit or sump in which the return fluid from the borehole is collected and stored for recirculation.
Chisel bit, английский
- Chopping bit,
- A percussive-type rock-cutting bit having a single, chisel-shaped cutting edge extending across the diameter and through the center point of the bit face. also called chisel-edge bit, chisel-point bit, swedish bit.
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