青云翻译

Welded steel components, bolts should be consistent with current national standard "steel design specifications" gb50017 and industry standard "building steel welding procedures" jgj81 relevant provisions of the

Steel elements welded, bolted connections shall conform to national standards of the code for design of steel structure GB50017 and industry-standard construction steel structure weld technology of the relevant provisions of the Statute of JGJ81

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Steel elements welded, bolted connections shall conform to national standards of the code for design of steel structure GB50017 and industry-standard construction steel structure weld technology of the relevant provisions of the Statute of JGJ81