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
)
-
产品功能分析
(
http://www.dimcax.com/hust/forumdisplay.php?f=10
)
- -
concrete slabs supporting machines
(
http://www.dimcax.com/hust/showthread.php?t=22997
)
huangyhg
2009-09-08 12:46 PM
concrete slabs supporting machines
concrete slabs supporting machines
is there an easiy determination on how much slab weight i need to dampen a machine that produces a frequancy equal to 25hz?
所有的时间均为
北京时间
。 现在的时间是
05:38 AM
.
