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E rod bit
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
A canadian standard, noncoring bit having a set diameter of 1.460 inches. more commonly called 1% e drill rod bit.
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Eccentric-bit load, английский
A bit subjected to a load unevenly distributed and concentrated on one part of the perimeter of the bit face. also called eccentric-bit pressure, eccentric load, eccentric thrust.
Dump bailer, английский
A bailer used in borehole-cementation work, provided with a valving device that empties the contents of the bailer (cement) at the bottom of a borehole. also called liquid dump bailer.
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