woodych2013 发表于 2020-8-30 10:10:14

shukesan 发表于 2019-9-7 21:14 static/image/common/back.gif
ASME B1.20.1-2013 (2018) 清晰版的来了

9个金币值得啊!英文原版，还有书签!

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查看完整版本: ASME B1.20.1-2013 Pipe threads general purpose