“pilot hole”的概念、定义、翻译、参考文献-科学参考

单词	pilot hole
释义	pilot hole 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	semi infinite programming semi-infinite programming semi-infinite space semi-injective module semi inner product semi-inner product semi-inner product space semi-integer semi-integer characteristic semi-integer order semi-integral semi-intensive reproduction semi interpenetrating polymer network semi-interpenetrating polymer network semi-interpenetrating polymer network (SIPN) semi-interquartile distance semi-interquartile range semi-intuitionism semi invariant semi-invariant semi-inverse semi-inverse method semi-involutory matrix semi-irreducible graph semi-isomorphism

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