“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	government process reengineering government procurement law Government Procurement Law of the People's Republic of China government procurement of public security system government procurement supervision and administration government procurement unit government publication Government public opinion management government public relations government recognition Government Records Service of the Government of the Hong Kong Special Administrative Region government regulation government relations government reserves government resource operation and maintenance supervision system government resource sharing & exchange management service government-run medical establishment government-run publishing house government security authentication technology government security services government security technology "Government Service Supermarket" in Xiamen City government social combination sports system Government social media Government-Society Interaction

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