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这种改进型千分表卡尺适合于测量双角度铣刀(例如夹角为56°),以及经过重新修磨的各种双角度铣刀。对于这类铣刀,虽然刀具的角度是已知的,但是刀尖宽度尺寸并不知悉。如果要求精确地测量其宽度尺寸,
This improved micrometer caliper is suitable for measuring double angle milling cutters (eg 56 °) as well as resharpened double angle milling cutters. For this type of milling cutter, although the angle of the tool is known, the tip width size is not known. If it is required to measure its width accurately,