英语词汇“doublehand drilling”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

单词	doublehand drilling
释义	doublehand drilling doublehand drilling [′dəb·əl‚hand ′dril·iŋ] (engineering) A rock-drilling method performed by two men, one striking the rock with a long-handled sledge hammer while a second holds the drill and twists it between strokes. Also known as double jacking.
随便看	bielefelder institut fuer fortpflanzungsmedizin bielefeld, germany bielefeld representation theory bielefeld school of public health bieler, henry g bieler, manfred bielersee bieliauskas, alfonsas bielid bielids bielitz biella biella (bi) biella, piemonte bielorussia bielorusskiy bielschowsky bielschowsky, alfred bielschowsky disease bielschowsky-dollinger syndrome bielschowsky head tilt test bielschowsky-jansky disease bielschowsky-janský disease bielschowsky, max bielschowsky method

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