ASME Y14.5M 中英文对照讲解

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ASME Y14.5M 中英文对照讲解

Shown below are the most common symbols that are used with geometric tolerancing and other related dimensional requirements on engineering drawings. Note the comparison with the ISO standards. Most of the symbology is identical. There are a few symbols that are used in the ASME Y 14.5， 1994 standard that are being proposed for the ISO standards. The symbols marked with an x” are new or revised from the previous Y14.5M，1982 standard.