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guide ring
释义
guide ring
guide ring
[
′gīd ‚riŋ
]
(mining engineering)
A longitudinally grooved, annular ring made almost full borehole size, which is fitted to an extension coupling between the core barrel and the first drill rod.
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sttar
sttars
st:tas
sttas
sttb
sttc
st-tci
sttcl
st-tcm
sttcpw
sttd
stte
st teresa
st teresa of arila
st teresa of avila
st. teresa of avila
st. teresa's day
st terese of avila
sttf
sttg
sttgi
st. theodore stratilates on the brook, church of
st. theophanes the confessor
st theresa
vanished
英语词典包含2567994条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。
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更新时间:2026/7/8 10:23:32