by the way, brother. What do you want to do? ( O( c5 e6 C2 I& L& n; V N* X- N, R5 t5 l
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9 T- ^$ V( ?+ V; a5 f5 {
by the way, brother. What do you want to do? ( o1 H( T9 {; U: o 8 C( Z4 X6 |5 W5 |7 h A# HLast time want to buy H2SO4 and AlNO3, this time you want to learn AutoCAD
7 h* H/ g! o2 h X" d% E: \
4 }) ^: g6 ?& h
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4 g4 o+ l( v# \
by the way, brother. What do you want to do?& H$ `) c+ ]4 Q3 ~" A% s8 Z
K- C: z# U$ B4 t
Last time want to buy H2SO4 and AlNO3, this time you want to learn AutoCAD