短語詞組短語boring bar head 搪桿頭boring g head 鉆頭;鏜頭boring rolling head 鏜滾壓頭boring milling head 鏜銑刀頭boring cutter head 鏜刀頭solid boring head 深孔鉆刀頭offset boring head 偏置鏜刀頭high speed boring head 高速鏜頭precision boring head [機]精密鏜頭 返回 boring head