乌得勒支 2010.7 Creative Commons Attribution License. You may use for any purpose, but only with attribution / credit to: Karl Fjellstrom, Far East Mobility
乌得勒支城市交通
公交车车辆 - 公交车辆内部 - 公交车上下客      
Rear-door card readers for exit scanning & distance-based fares
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