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单词
kelly bushing
释义
kelly bushing
kelly bushing
[
′kel·ē ‚bu̇sh·iŋ
]
(petroleum engineering)
A device added to the rotary table through which the kelly passes, so that the torque of the table is transmitted to the kelly and the drill.
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osteogenetic f
osteogenetic fiber
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osteogenic protein 1
osteogenic protein-1
osteogenic protein 2
osteogenic sarcoma
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osteogenin
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osteoglophonic dwarfism
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更新时间:2025/2/6 15:31:16