“non-core drill bit”的概念、定义、翻译、参考文献-科学参考

单词	non-core drill bit
释义	non-core drill bit Encyclopedia 理学钻探环境保护释 non-core drill bit全面钻头以超硬材料作为切削刃，采用破碎全部孔底岩石为钻进方式的钻头。
随便看	chromosome copy number abnormity disease chromosome doubling chromosome duplication chromosome elimination chromosome engineering chromosome interchange chromosome nondisjunction chromosome pairing chromosome rearrangement chromosome satellite chromosome set chromosome set manipulation chromosome structural variation，SV chromosome substitution chromosome theory of inheritance chromosome walking chromosomics chromosomology chromosphere chromosphere-corona transition region chromosphere-corona transition zone chromospheric ablation chromospheric activity chromospheric activity index chromospherically active binary star

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