counterboring التعريفات والمعاني == English == === Verb === counterboring present participle and gerund of counterbore === Noun === counterboring (plural counterborings) A counterbore. (cylindrical recess) شارك هذه المقالة: Facebook Twitter WhatsApp LinkedIn كلمات ذات صلة counterborings countermoving counterworking counterposing countervoting counterfiring counterdoping countermuring