(1)
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1
45km 80m 3.47m 2.36 m 1 2 3: 2004.6 2008.8 2011.7 2012.1
1.
1900 2100m
0.61.2km 16km U 4 5 6
1 U T 2 3 4 5 6 7 8 9 10 11
2.
1
12
2
3
4
5