钻杆: bull rod; bar; rod; drill st ...公: state-owned; collective; pub ...母: mother接头: connect; join; joint公母接头: box to pin; hermaphrodite connector母接头: box joint; tool jiont box junta (conexion、union) hembra钻杆公锥: male drill rod tap公母扣接头: male and female connection母接头的端面: shoulder of the box母接头的钻头: box type bit双母接头钻铤: double box collar母接头上打大钳处: box tong space方钻杆接头: kelly bar sub; kelly joint假钻杆接头: mock tool joint钻杆接头: drill pipe joint; drill pipe sub drill adopter; drill pipe tool joint; drillrodsu; rod coupling; tool joint标准钻杆接头: standard tool joint给钻杆装接头: bucking the tool joint贯眼钻杆接头: full hole tool joint; streamline tool joint烘装钻杆接头: shrink gritool joint内平钻杆接头: internal flush tool joint配装钻杆接头: set uthe tool joint整体钻杆接头: integral tool joint钻杆接头公锥: male rod coupling tap钻杆接头台肩: shoulder of tool joint钻杆异径接头: pipe reducer; rod reducer