Because of many reasons in the course of straightness error measuring, many original observed data deviate from actual value and are difficult to process.
由于在直线度误差测量过程中的各种原因，导致许多观测数据与实际值偏离或者很难进行处理。
The method can not only measure the lathe straight motion error but also provides a new route for measuring the straightness of workpieces. So the method can be applied in many areas.
该方法不仅能测量车床直线运动误差，而且为工件直线度误差在线测量提供了新的测试手段，很有开发应用前景。
This instrument is used for measuring roundness, axis straightness, coaxality and circular run out error of shaft parts.
该仪器可用于圆度、轴线直线度、同轴度和径向跳动误差等项目的测量。
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