像凿子、刀、刨子或圆凿有尖锐的切边的工具。
Any tool with a sharp cutting edge as a chisel or knife or plane or gouge .
圆凿为可调式空心圆凿，包括凿柄、连接杆和凿芯；
The osteotome is adjustable hollow gouge , which comprises a gouge handle , a connection rod , and a gouge core .
圆凿