ASTM A992/A992M-2011 结构型钢规格
中文名:结构型钢规格(取代:ASTM A992/A992M 修订版)英文名:Standard Specification for Structural Steel Shapes
谢谢分享!!!!!!!!!!!!!!!!!! 求分享求分享求分享求分享求分享求分享求分享求分享求分享求分享求分享求分享求分享求分享求分享求分享求分享求分享 :)谢谢 分享!!!!!!!!!!!:):)
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谢谢啊,我看看还需要
我强烈要求此标准,希望我不要失望
zhaolehaojiueeeeeeeeeeeeeeeeeeeeeeeeeeeee
谢谢分享 第四段 热热 热天 ???????????????????????????????????????????