如图。感觉是轴线级别的。: k6 Y2 A: L' V; Y" z
' T# j- l+ T8 }6 j! U+ O
“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 8 a |+ Z8 w& ^' V如图。感觉是轴线级别的。 ) I# j6 _4 c+ C. {0 S- ]( Y) {" j6 ]6 @& H! A
“the best use I can make of is to use it to secure knowldge which is more valuable than money ".