gjhuang 发表于 2008-2-16 10:47:32

Welding Joint Geometry and Symbols

AWS关于焊接接头及符号表示的培训课件,分享!!

shinshing 发表于 2009-5-22 18:08:08

是本简介焊接符号所代表作法的slide ,有帮助于了觧焊接
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