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先导孔
释义
先导孔
Encyclopedia
理学
地质钻孔
释
pilot hole
先导孔
在钻深孔或超深孔之前,在深孔或超深孔孔位附近钻的一口直径相对较小、深度相对较浅的钻孔。“双孔方案”中首先施工的钻孔。
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incongruous
inconic
inconnection
inconsistency
inconsistency between declaration and intention
inconsistent
inconsistent calculus
inconsistent class
inconsistent conditions
inconsistent equations
inconsistent estimator
inconsistent formal system
inconsistent formula
inconsistent hypothesis
inconsistent inequalities
inconsistent problem
inconsistent set of formulas
inconsistent system
inconsistent system of axioms
inconsistent system of equations
inconsistent theory
inconspicuous
inconstancy
incontestable clause
incontinence
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