“overall drilling time”的概念、定义、翻译、参考文献-科学参考

单词	overall drilling time
释义	overall drilling time [¦ō·vǝr¦ȯl `dril·iŋ ´tīm] ^{MINING ENGINEERING} The total time for rock drilling including time for setting up, withdrawing, and moving drills, time for mechanical delays, and the time for the actual drilling.
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