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Terms for subject Oil / petroleum containing air drill | all forms | in specified order only
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air drill空气钻
air drill风动钻具
air-drifter drill风动架式钻机
air-drifter drill风动架式凿岩机
air-driven hammer drill气动冲击钻机
air-driven hammer drill风动冲击钻
air-track drill风动履带式钻车
air-track drill风动履带式凿岩机