原帖由 恭喜发财 于 2007-2-3 00:05 发表 # y0 y; R" w5 B# \" @6 ?by the way, brother. What do you want to do?1 W8 @# g) X7 s8 @
2 H, f/ w I* ]! k4 n7 [
Last time want to buy H2SO4 and AlNO3, this time you want to learn AutoCAD
& X) ^4 I; U1 i
' l9 A$ W( q& _9 b; g# E; K
画一个桥的工程图,发现一下桥的弱点,好安装炸药的说~