为什么打不开?

clf1121

0
SECTION
2
ENTITIES
0
LWPOLYLINE
8
AcDbPolyline
10
218.0582368794609
20
188.2185629848099
10
324.8622718048991
20
204.817365230124
10
389.5380487715751
20
132.4940118489264
10
321.8954930215882
20
108.78143701519
10
210.3446130618574
20
111.7455092151606
10
218.0582368794609
20
188.2185629848099
0
LWPOLYLINE
8
AcDbPolyline
10
173.5565564035528
20
128.9371259004687
10
101.167154345517
20
167.470059659537
10
87.51997296129161
20
144.3502992657947
10
82.17977038707818
20
86.25449106144186
10
135.5817884866751
20
61.94910178771124
10
230.5187082788693
20
54.24251475929486
10
240.0123996212107
20
127.7514970204806
10
173.5565564035528
20
128.9371259004687
0
LWPOLYLINE
8
AcDbPolyline
10
442.940066871172
20
201.8532937216605
10
510.5826213474033
20
195.9251500132263
10
518.8896027049274
20
143.1646703858065
10
416.2390578213737
20
133.0868262889206
10
442.940066871172
20
201.8532937216605
0
ENDSEC
0
EOF
这是一个最简单的多边形的dxf文件,不过好像有点错误 错误提示是: << 对象未定义编组 10第 10 行。
DXF 输入无效或不完整 -- 图形被放弃 >> 小弟愚笨,请大家帮我修改或添加一下,谢谢!!