“jackbit”的概念、定义、翻译、参考文献-科学参考

单词	jackbit
释义	jackbit [`jak´bit] ^{DESIGN ENGINEERING} A drilling bit used to provide the cutting end in rock drilling; the bit is detachable and either screws on or is taper-fitted to a length of drill steel. Also known as ripbit.
随便看	direct effect direct electromotive force direct energy conversion direct-entry terminal direct-expansion coil direct extrusion direct-feedback system direct fire direct-fire direct-fired evaporator direct-gap semiconductor direct-geared direct grid bias direct hierarchy control direct-image offset system direct-imaging mass analyzer direct immunofluorescence direct-indicating compass direct input/output direct-insert subroutine direct instruction direct interelectrode capacitance direct inward dialing direction directional antenna

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