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containing
core of rock
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all forms
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in specified order only
Subject
English
Chinese
bridg.constr.
core of rock
岩心
eng.geol.
core of rock
岩芯
expl.
core of rock
岩心
钻进过程中,采用取心工具从井下地层取出的岩石样品。它供地质描述和分析、测定地层参数、实验研究用。用于测定参数及实验用的岩心,多为小岩心柱,常用直径为 2.54cm
eng.geol.
percentage recovery of rock core
岩芯采取率
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