“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	distribution of prime numbers distribution of prime numbers in an arithmetic progression distribution of primes distribution of productive forces distribution of rapeseed distribution of residual property distribution of sums distribution of tritium in the environment distribution of values distribution outlet distribution parameter distribution pattern of marine organism distribution patterns of rodent populations distribution photometer distribution planning distribution planning and control distribution policy distribution power cable distribution prediction distribution problem distribution proportion distribution range distribution ratio distribution requirement planning distribution rule

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