rock electric drill

基本解释

• [经济学]岩石电钻

英汉例句

双语例句

• Since the process of colliding mechanism of electric rock drill is complex, there isn′t a set of calculating method practically still now.
  电动凿岩机冲击机构因其受力过程比较复杂，至今尚无一套可行的计算方法。

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词组短语

短语

• electric rock drill [矿业]电动钻岩机;[矿业]岩石电钻;[矿业]电动凿岩机;电动钻岩机
• electric rock rotary drill 岩石电钻
• electric rock drill bit 电动钻岩机钻头
• electric c rock drill 电动钻岩机
• electric railway rock drill 电动钻岩机

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专业释义

经济学

• 岩石电钻