A.1:1000
B.1:100000
C.1:20000
D.1:10000
A.1:1000
B.1:100000
C.1:20000
D.1:10000
A.1:5000
B.1:25000
C.1:50000
D.1:100000
A.使图纸看起来更加美观
B.更好地显示管道的宽度
C.符合国际标准
D.更清晰地显示管道的坡度和高程变化
A.5m
B.15m
C.25m
D.50m
A.15m
B.25m
C.15m
D.35m
A.20m
B.40m
C.60m
D.80m
A.增强美观性
B.提高指针稳定性
C.合适的重量分布
D.保持整体视觉均衡性
A.1:100
B.1:4000
C.1:6000
D.1:10000
A.全国概览
B.城市规划
C.大洲轮廓
D.全球气候图