永久数字分度盘。
标尺的分度容量线及计量数字印刷应完整，字迹清楚，线条清晰，粗细均匀。
The scale mark and measure figure on the ruler should be printed completely, neat writing, legible line and even thickness.
介绍光学分度头读数屏数字识别的一种简单方法。
This article presents a simple method of figure identifying for image of optical diagraph.
配上数控分度头可以加工齿轮、蜗轮等复杂机械零件，同时应用数字化全闭环控制方法，使其具有很高的加工精度。
The numerical control index head was adopted, so the milling machine can process the machine parts as the gear, the worm gear, with the digital loop control method, it has high processing precision.
配上数控分度头可以加工齿轮、蜗轮等复杂机械零件，同时应用数字化全闭环控制方法，使其具有很高的加工精度。
The numerical control index head was adopted, so the milling machine can process the machine parts as the gear, the worm gear, with the digital loop control method, it has high processing precision.
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