Thanks, It is very educational.... ) T2 P1 V, m" Q$ d8 a' W( Hhere is a link you can read the drawings , L1 {2 K8 v }) ^3 F( Q( |. x2 M8 v% C% b# D C# K http://www.dfg.cn/gb/zjjy/7/zjjy-7-1.htm7 c7 S! p: _6 M4 \8 B8 T
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[ 本帖最后由 rockylily 于 2006-12-21 13:52 编辑 ]