如图。感觉是轴线级别的。 ; P( ^. p% A8 b- {% P 4 B% F; r( j' c# r3 t- S3 D; U" Q“the best use I can make of is to use it to secure knowldge which is more valuable than money ".
原帖由 Panther 于 2009-11-24 15:25 发表 % r3 \$ v" @! a8 Q# u$ _7 z如图。感觉是轴线级别的。* V0 @1 F+ u& O; [ p
! @2 i3 o' z# S' B
“the best use I can make of is to use it to secure knowldge which is more valuable than money ".