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单词
core barrel
释义
core barrel
noun
1.
:
a tube inside a drill pipe and supported by a bit to receive the core in core boring
2.
:
a tube usually of iron on which a foundry loam core is formed
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gemmative
gemmed
gemmel
gemmer
gemmiferous
gemmification
gemmiform
gemmily
gemming
gemmipara
gemmipares
gemmiparous
gemmiparously
gemmoid
gemmological
gemmologist
gemmology
gemmula
gemmulation
gemmule
gemmuliferous
gemmy
gemological
gemologist
gemology
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更新时间:2024/11/10 14:09:19