“drill log”的概念、定义、翻译、参考文献-科学参考

单词	drill log
释义	drill log [`dril ´läg] ^ENGINEERING 1. A record of the events and features of the formations penetrated during boring. Also known as boring log. 2. A record of all occurrences during drilling that might help in a complete logging of the hole or in determining the cost of the drilling.
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