This paper introduces achievement of an automatic test of he digital voltmeter with HP-VEE software and available equipment to increase the measuring speed, decrease the personal error.
介绍了用HP-VEE软件及现有设备实现数字电压表的自动化测试，提高了测量速度，减少了由于人员因素造成的误差。
By selecting test equipment and using high precision scaling device or precisely measuring the primary scale, an accurate testing of cold-rolled and twisted steel bar may be realized.
通过正确选择（或改进） 测试设备和使用高精度刻标机或精确测量原始标距等手段，即可实现冷轧扭钢筋的正确检测。
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