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Келли
Указатель эпонимических терминов |
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Патерсона-келли, русский
Kelly, английский
- A heavy-wall square or hexagonal tube or pipe, 10 to 20 feet long, which works inside the matching center hole in the rotary table on a diamond-drill 56 a glossary of the diamond-drilling industry
- This steel piece turns the drill stem as the rotary table turns; typically suspended from the swivel through the rotary table and then connected to the top joint of the drill pipe.
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Кемпбелл, русский
Якобсталя-кафки, русский
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