“mechanical coring instrument”的概念、定义、翻译、参考文献-科学参考

单词	mechanical coring instrument
释义	mechanical coring instrument Encyclopedia 工学钻井取心录井技术释 mechanical coring instrument机械取心在预定深度固定后，通过旋转的取心钻头钻取地层岩心样品的方法。
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