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图一所示的手动量表用于测定运行中的细金属丝的直径,测量范围从0到2毫米,读数精度高达0.001毫米。该表有2个过线轮,以保证金属丝直线通过时读数。测径时,过线
The manual gauge shown in Figure 1 is used to determine the diameter of the running fine wire from 0 to 2 mm with a reading accuracy of up to 0.001 mm. The table has two over-wire wheel, to ensure that the wire straight through the reading. Diameter, over the line