松雨霞 发表于 2019-9-6 14:48:04

ASTM A3 −01 (Reapproved 2019)

Standard Specification for Steel Joint Bars, Low, Medium, and High Carbon (Non-Heat-Treated)

admin 发表于 2019-9-6 17:00:20

谢谢您的分享,金币已奖励!

hung 发表于 2019-9-9 10:48:26

謝謝樓主的分享！！！！！！
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