ASTM A709/A709M-09a Standard Specification for Structural Steel for Bridges - 仪器网,仪器信息网,计量论坛

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ASTM A709/A709M-09a Standard Specification for Structural Steel for Bridges

  leunghb · 2010-01-30 09:02 · 39916 次点击

ASTMA709/A709M-09aStandardSpecificationforStructuralSteelforBridges
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 标准手册, a709, a709m, 09a, standard, specification, structural, steel, bridges

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z8212020 2011-02-18 09:33: 呵呵,谢谢LZ分享

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