“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	resident fishes resident health archives management information systems residential area Residential Area of Baiwanzhuang residential area planning land balance table residential area road residential area standard Residential attenuation area residential behavior residential block residential building residential building density residential building depth residential building insolation distance residential building insolation standard residential building layout residential building length residential building unit residential building unit density residential civilization system residential cluster residential community residential community park residential construction area density residential construction in Bianliang

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。