“jet-flame drill”的概念、定义、翻译、参考文献-科学参考

单词	jet-flame drill
释义	jet-flame drill [`jet ´flām ´dril] ^{MINING ENGINEERING} A mining drill that utilizes a high- velocity flame to spall out a hole.
随便看	optimum bunching optimum charge optimum code optimum coupling optimum cure optimum filter optimum flight optimum moisture content optimum programming optimum reverberation time optimum separation point optimum-track ship routing optimum traffic frequency optimum working frequency optional halt instruction optional product optional stop instruction option switch option toggle optoacoustic detection method optoacoustic effect optoacoustic modulator optoacoustic spectroscopy optocoupler optoelectronic amplifier

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