“tapered core bit”的概念、定义、翻译、参考文献-科学参考

单词	tapered core bit
释义	tapered core bit [`tā·pǝrd `kȯr ´bit] ^{DESIGN ENGINEERING} A core bit having a conical diamond-inset crown surface tapering from a borehole size at the bit face to the next larger borehole size at its upper, shank, or reaming-shell end.
随便看	thermal Rossby number thermal runaway thermal scattering thermal shield thermal shock thermal spraying thermal spring thermal steering thermal stratification thermal stress thermal stress cracking thermal structure thermal switch thermal telephone receiver thermal tide thermal time scale thermal titration thermal transducer thermal transpiration thermal tuning thermal utilization factor thermal value thermal valve thermal volt thermal vorticity

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