修订履历.doc20简介开始
目 录 修订履历.......................................3
1. 紹...........................................4 1.1 目的...........................................4 1.2 範圍...........................................4
2. 螺牙............................................8
2.1 定义.............................................6
2.2 分类.............................................8
2.3 精度等级...........................................8
2.4 螺纹标注.........................................9
2.5 基本尺寸..........................................10
3. 铝合金............................................10
3.1 铝合金成分.........................................10
4. 公差................................................12 4.1 ISO.................................................12 4.2 JIS................................................12 4.3 DIN................................................12
4.4 GB.................................................14
5 参考文件............................................15
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