多项选择题
A.1:50000 B.1:250000 C.1:5000 D.1:10000 E.1:50000
A.1:50000 B.1:250000 C.1:5000 D.1:10000 E.1:20000
A.1:50000 B.1:250000 C.1:20000 D.1:10000 E.1:50000