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› ASME B1.1-2003 Standardization and Unification of Screw Threads
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发表于 2011-9-1 11:16:37
ASME B1.1-2003 Standardization and Unification of Screw Threads
ASME B1.1-2003Standardization and Unification of Screw Threads
ASME B1.1-2003 统一英制螺纹
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ASME B1.1-2003 Standardization and Unification of Screw Threads