“先导孔”的概念、定义、翻译、参考文献-科学参考

单词	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。
随便看	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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