4
2

5,5,0

3
A 2692.201,5203.153
B 2092.765,5132.304
C 2210.593,5665.422

0
0

A
2
C -1, 667.5619
D -1, 387.363

D
3
A -1, 387.363
B -1, 306.065
C -1, 354.862 



˵ԡƽԭ 人Ƽѧ