hole-bottom working characteristics of turbo-drill的意思|示意
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涡轮钻床的井底工作特性
hole-bottom working characteristics of turbo-drill的网络常见释义
涡轮钻具井底工作特性 涡轮的水力载荷hydraulic load on turbo-drill 涡轮钻具井底工作特性hole-bottom working characteristics of turbo-drill 涡轮钻具最优工作区optimized working zone of turbo-drill ..