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  • HOME > English > Products > Drilling Rig > Top drive drilling rig >
    DQ-3000 top drive drilling rig
    DQ-3000 top drive drilling rig

    轉盤特點:采用石油ZP-175轉盤,可以無極調速,可以設置額定轉矩。 轉盤慣剎:轉盤配置氣動慣性剎車,防止轉盤慣性旋轉和鉆桿反作用力

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