“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	engineering verification test for nuclear power plant engineering virtual reality technology engineering work breakdown Engineer Research and Development Center, U.S. Army Corps of Engineers engineer's level engineers' moral Engineers of the Renaissance engine exhaust gas recirculation control engine fatigue engine firing test engine flight test bed engine for hybrid vehicle engine fuel common rail pressure control engine governor metaphor engine idle speed control engine indication and crew alerting system engine knock engine log book engine noise engine nozzle material engine operating characteristics flight test engine performance flight test engine performance parameters engine performance test engine pressure ratio

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。