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单词
breakout block
释义
breakout block
breakout block
[
′brā‚kau̇t ‚bläk
]
(petroleum engineering)
A heavy plate fitting in a rotary table that holds a drill bit being unscrewed from a drill collar.
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ubatc
ubayd allah al-mahdi billah
ubayd-i zakani
ubayyid, al-
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ubbc
ubbenite
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ubbi
ubbl
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更新时间:2025/3/29 3:59:18