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Taper-wall core shell
| Diamond Glossary (алмазы и бриллианты - глоссарий терминологии) |
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Bevel-wall reaming shell, английский
A reaming shell the inside wall of which is tapered and into which a split-ring core lifter may be fitted. also called bevel-wall core shell, taper-wall core shell. b.h. ahlr. commonly used for blasthole and/or borehole. b. h. bit. 1. a noncoring or blasthole bit. 2. a cdda standard-size noncoring bit having a set outside diameter of 1% inches. normally referred to as a 1%-b. h. bit.
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Bevel-wall reaming shell, английский
A reaming shell the inside wall of which is tapered and into which a split-ring core lifter may be fitted. also called bevel-wall core shell, taper-wall core shell. b.h. ahlr. commonly used for blasthole and/or borehole. b. h. bit. 1. a noncoring or blasthole bit. 2. a cdda standard-size noncoring bit having a set outside diameter of 1% inches. normally referred to as a 1%-b. h. bit.
Rock base, английский
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