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最新美国几何公差标准 ASME Y14.5 2018 《Dimensioning and Tolerancing》 (几何尺寸与形位公差)
The Y14.5 standard is considered the authoritative guideline for the design language of geometric dimensioning and tolerancing (GD&T.) It establishes symbols, rules, definitions, requirements, defaults, and recommended practices for stating and interpreting GD&T and related requirements for use on engineering drawings, models defined in digital data files, and in related documents.
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