将被测长度与已知长度比较，从而得出测量结果的工具，简称测量工具。长度测量工具包括量规、量具和量仪。
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.
这就使得它们成为很有用的工具测量宇宙的长度。
This makes them very useful as a tool to measure cosmic distances.
千分尺：用来测量不同长度，角度等的工具。
MICROMETER: Instrument used to measure various distances, angles, etc.
应用推荐