原帖由 恭喜发财 于 2007-2-3 00:05 发表* N/ \& }# {7 c7 W$ l2 f; e2 {
by the way, brother. What do you want to do? 3 r2 e4 u& G6 I0 u5 i* u1 _4 v5 ]0 f! Z' X5 [
Last time want to buy H2SO4 and AlNO3, this time you want to learn AutoCAD
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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, E0 u z* I2 Y4 h9 Kby the way, brother. What do you want to do? 2 }/ [: _+ ? W# L* G7 ]! v4 x: e9 P0 I B+ z7 q a" U; \" G
Last time want to buy H2SO4 and AlNO3, this time you want to learn AutoCAD