counterbore cutter head的意思|示意
美 / /
英 / /
扩孔钻头
counterbore cutter head的网络常见释义
扩孔钻头 ... counterbore with guide 有导柱的平底扩充孔钻... counterbore cutter head 扩孔钻头 counterbore drill 平底扩孔钻 ...