光杆 meaning in Chinese
polish rod
Examples
- Reduced hexagon bolts , short thread tolerance p6
光杆公差带p6 .短螺纹小六角头螺栓 - Servo - aligning sealer for polished rod at wellhead
抽油井口随动对中光杆密封器 - 90 countersunk head bolts with recess , tolerance p6
光杆公差带p6一字槽. 90沉头螺栓 - Field application of qbzc - 25 28 polish rod sealer
28光杆密封器的现场应用效果评价 - 90 countersunk bolts , short thread , shank tolerance h8
光杆公差带h8短螺纹90沉头螺栓