by the way, brother. What do you want to do? 9 r# }0 y! F* y' I$ L+ w% Y ' b; ]( [. ]& l* [/ {0 H& C9 q8 D; \1 `Last time want to buy H2SO4 and AlNO3, this time you want to learn AutoCAD
原帖由 恭喜发财 于 2007-2-3 00:05 发表. D& m* p$ o9 v3 ]+ k
by the way, brother. What do you want to do?' {) K# Z/ a, Y6 C, y+ ~4 P! S$ {
+ U' I% H7 f6 }
Last time want to buy H2SO4 and AlNO3, this time you want to learn AutoCAD
- l4 i, |" b3 y. Y k3 T
- l, |2 ~& h* q: q% G; q5 w
画一个桥的工程图,发现一下桥的弱点,好安装炸药的说~
原帖由 恭喜发财 于 2007-2-3 00:05 发表 $ d+ c% i. i4 }6 K1 Q9 Q; [by the way, brother. What do you want to do? 6 l( P6 [2 l: v/ l0 R' E# y ! ?! z0 Z: j+ gLast time want to buy H2SO4 and AlNO3, this time you want to learn AutoCAD
8 M; B7 e/ V/ @; e. R . h3 [: T, q$ N5 U1 y一个是工作用。一个是业余爱好。 呵呵