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千分錶的种类和型式相当多,不同类型的千分錶有着不同的特徵和精度。一般常用的是单位刻度0.01公厘的钟錶式(齿轮传动式)千分錶,它的构造如图1所示。
Dial indicator types and types of quite a lot of different types of dial indicators have different characteristics and accuracy. Commonly used is the unit scale of 0.01 mm watch (gear-driven) dial indicator, its structure shown in Figure 1.