“rock drill”的概念、定义、翻译、参考文献-科学参考

单词	rock drill
释义	rock drill Encyclopedia 工学机械式打桩机释 rock drill凿岩钻机安装有回转钻进机构或凿岩机，在岩石或混凝土等脆性材质上凿孔的机械。工学凿岩机械释 rock drill凿岩机以冲击作用为主，回转作用为辅，凿碎岩石，进行钻孔的机械设备。
随便看	paradoxical property paradoxical proposition paradoxical pulse paradoxical set paradoxical undressing paradox of implication paradox of lying Epimenides paradox of Richard paradox of Russell paradox of the barber in a village paradox of the greatest cardinal number paradox of the greatest ordinal paradox of the liar paradox of voting paradox of Zenon paraelastic crystal paraelectricity paraelectric resonance paraelectron paraelliptic surface paraesthesia pharyngis parafermion paraffin paraffin base crude oil paraffin content of crude oil

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