“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	electride electrifiable electrification electrification by friction electrification detecting for electrical equipment electrification in thunderclouds electrification mileage electrified body electrified body, charged body electrify electrino electrion electrization electro-absorption modulator electroabsorption modulator electroacoustic electroacoustical electroacoustical reciprocity theorem electroacoustic metrology electro-acoustic reciprocity electroacoustic reciprocity principle electro-acoustics electroacoustics electroacoustic transducer electroacoustic wave

科学参考收录了854744条科技类词条，基本涵盖了常见科技类参考文献及英语词汇的翻译，是科学学习和研究的有利工具。