机械设备检测是对机械零件中包括长度、角度、粗糙度、几何形状和相互位置等尺寸的测量。
Machinery and equipment testing includes the measurements of length, Angle, roughness, geometry and mutual alignment.
高精度测量几何量，如角度、长度等的测量结果都是标准环境参数条件下的值，其中的水蒸气压(湿度)要求是1。
Water vapor pressure which is also called humidity, one of the standard environment parameters, should equal to 1.
千分表是一种高精度的长度测量工具，广泛用于测量工件几何形状误差及相互位置误差。
The 0.001mm dial indicators are a high accuracy length measuring tool. They are widely used for measuring the geometric deviation and position deviation of workpieces.
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