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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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-   -   number of wood poles (http://www.dimcax.com/hust/showthread.php?t=26853)

huangyhg 2009-09-10 04:48 PM

number of wood poles
 
number of wood poles
how many utility poles are there in the us?
how many are telco's, elco, muni?
thanks.
gees i do not know. do you mind telling us why you want to know this information?


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