钻杆boring bar;bull rod;drill pipe详细»
钻杆auger stem;bore rod;boring bar;boring rod;dp;drill column;drill pipe;drill rod;drill steel;drill stem;jackrod;shaft bar;well tube详细»
钻杆auger spindle;bore rod;boring bar;boring rod;bull rod;drill rocker;drill rod;drill stem;jackrod详细»
钻杆bore rod;boring bar;boring rod;bull rod;bulling bar;drill bar;drill pipe string;drill rod;drill stem;drilling rod;kelly详细»
钻杆boring rod drill-bar drilling rod drill pipe drill rod drill stem详细»