Thanks, It is very educational.... % b, R8 a6 V: Q* v' M2 r. K1 b7 K. Bhere is a link you can read the drawings( k3 G6 s+ j# ?- M
3 D2 C3 @( l9 u http://www.dfg.cn/gb/zjjy/7/zjjy-7-1.htm , R8 s/ i! e& Z: N3 {; ]9 e$ W: k$ C
[ 本帖最后由 rockylily 于 2006-12-21 13:52 编辑 ]