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Terms for subject Engineering geology containing cable tool drilling | all forms | in specified order only
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cable drilling tool钢绳冲击钻具
cable tool drilling冲击钻进
cable tool drilling钢绳冲击钻进
cable-tool drilling outfit钢绳冲击钻进设备和工具
cable-tool drilling system钢绳冲击钻进方法〔系统〕
cable-tool drilling unit钢绳冲击钻机装置