NF EN 1090-2-2009 钢结构和铝结构施工 第2部分:钢结构的技术要
NF EN 1090-2:2009 Execution Of Steel Structures And Aluminium Structures - Part 2: Technical Requirements For Steel Structures(扫描版)
谢谢您的分享,金币已奖励! Many thanks for sharing. I hope this is in French. 谢谢
谢谢您的分享,金币已奖励
谢谢您的分享------------------------- 众里寻他千百度,终于寻至此处
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