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
)
-
精密机械
(
http://www.dimcax.com/hust/forumdisplay.php?f=179
)
- -
america needs to get serious about space again1
(
http://www.dimcax.com/hust/showthread.php?t=20462
)
huangyhg
2009-09-05 10:20 PM
america needs to get serious about space again1
america needs to get serious about space again!
please see thread below!
所有的时间均为
北京时间
。 现在的时间是
05:40 PM
.
