水工建筑物设计需要大于( )地形图。
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A.1: 2000
A.1: 2000
A.1: 2000
B.1: 5000
B.1: 5000
B.1: 5000
C.1: 10000
C.1: 10000
C.1: 10000
D.1: 20000
D.1: 20000
D.1: 20000
参考答案:
A.1: 2000
A.1: 2000
A.1: 2000
B.1: 5000
B.1: 5000
B.1: 5000
C.1: 10000
C.1: 10000
C.1: 10000
D.1: 20000
D.1: 20000
D.1: 20000
参考答案: