rock electric drill

短语词组

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
• electric railway rock drill bit 电动钻岩机钻头
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