counterbore
词语: counterbore
解释: 扩孔(平头钻,埋头孔);n.用平底扩孔钻扩孔
词性: 及物动词
词典: 计算机专业英汉词典
counterbore 相关解释
counterbore 〔名词〕沉孔,埋头孔
counterbore 〔名词〕沉孔
counterbore 〔名词〕钻平孔底,锥口孔
counterbore 〔名词〕扩孔,平头钻,钻平孔底,锥口孔
counterbore 埋头孔,锥口孔,沉孔
counterbore 平底扩孔钻
counterbore 〔名词〕埋投孔,锥口孔,沉孔