由微机控制的新型钻头刃磨机具有六根受计算机控制的运动轴。
A new type of six-axis CNC drill grinding machine has been developed.
轮式金刚石钻头是利用切削齿缓慢交替切削运动来破碎岩石的新型钻头。
Diamond cone bit is a new drill bit which make use of cutting cutters interacting with rock slowly and alternately.
现场应用证实了这种新型钻头的优越性，钻头综合指标较一般钻头提高179%。
Field drilling experiments have verified the advantages of the new bits, and the all round performance index of the new bits increased 179% compared with that of the traditional bits.
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