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英国Staveley研究部发展了一种带数字显示器的内、外径测量仪,测量时工件可以不用从机床上取下来。这种装置已申请了专利。它能以足够高的精度,比车间使用的普通方法快得多的速度进行测量。
Staveley Research UK has developed an internal and external diameter measuring instruments with digital display, the workpiece can be measured without removing from the machine. This device has been patented. It measures at a rate high enough to be much faster than the average method used in the shop floor.