drill and countersink的意思|示意
钻头和水槽
drill and countersink的网络常见释义
定心钻 ... spot face孔口平面 drill and countersink定心钻，中心钻 counterbore cutter head扩孔钻头 ...
drill and countersink相关短语
1、 drill and countersink combination 尖角钝角两用钻
2、 combined drill and countersink 带护锥复合中心钻
3、 combined drill and countersink cutter 埋头孔组合刀具