“deflection bit”的概念、定义、翻译、参考文献-科学参考

单词	deflection bit
释义	deflection bit [di`flek·shǝn ´bit] ^{DESIGN ENGINEERING} A long, cone-shaped, noncoring bit used to drill past a deflection wedge in a borehole.
随便看	pharmacotherapy pharmacy pharyngeal aponeurosis pharyngeal bursa pharyngeal cleft pharyngeal plexus pharyngeal pouch pharyngeal tonsil pharyngeal tooth pharyngitis Pharyngobdellae pharyngology pharyngoscope pharynx phase phase advancer phase age phase-alternation line system phase angle phase-angle meter phase-balance relay phase behavior phase boundary phase change phase-change coefficient

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