词语counterbore
解释钻平孔底,锥口孔
词性名词
counterbore〔名词〕沉孔,埋头孔详细»
counterbore〔及物动词〕扩孔(平头钻,埋头孔);n.用平底扩孔钻扩孔详细»
counterbore〔名词〕扩孔,平头钻,钻平孔底,锥口孔详细»
counterbore平底扩孔钻详细»
counterbore〔名词〕埋投孔,锥口孔,沉孔详细»
counterbore〔名词〕沉孔详细»
counterbore埋头孔,锥口孔,沉孔详细»