“long-hole drill”的概念、定义、翻译、参考文献-科学参考

单词	long-hole drill
释义	long-hole drill [`lȯŋ ´hōl ´dril] ^{MINING ENGINEERING} A rotary- or a percussive-type drill used to drill long holes.
随便看	deflection difference deflection electrode deflection error deflection factor deflection magnetometer deflection meter deflection-modulated indicator deflection of the vertical deflection plate deflection polarity deflection probable error deflection scale deflection sensitivity deflection ultrasonic flowmeter deflection voltage deflection wedge deflection yoke deflectometer deflector deflexed deflocculant deflocculate defluorination defluvium defoaming

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