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L=20m B=12.00m (整体式路基24.5m)/
L=20m B=12.25m (分离式路基24.5m)/
L=20m B=12.75m (整体式路基26m)/
L=20m B=13.00m (分离式路基26m)/
L=20m B=16.5m (整体式路基33.5)/
L=20m B=16.75m (分离式路基33.5)/