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几何尺寸与公差论坛------致力于产品几何量公差标准GD&T (GDT:ASME)|New GPS(ISO)研究/CAD设计/CAM加工/CMM测量 (http://www.dimcax.com/hust/index.php)
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-   -   ansi 9standards0 code issues - aashto h20 load (http://www.dimcax.com/hust/showthread.php?t=20114)

huangyhg 2009-09-05 03:43 PM
ansi 9standards0 code issues - aashto h20 load
 
ansi aashto h20 load
is the aashto h20 load the heaviest wheel load allowed for highways and bridges in the us?
are there more one h20 type load, and if so describe please?
ewald


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