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
counterbore〔名词〕沉孔,埋头孔详细»
counterbore〔名词〕钻平孔底,锥口孔详细»
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»