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PAT甲级 1072 Gas Station (30分) PAT甲级 1072 Gas Station (30分)
A gas station has to be built at such a location that the minimum distance between the station and any of the residentia
PAT甲级 1018 Public Bike Management (30分) PAT甲级 1018 Public Bike Management (30分)
There is a public bike service in Hangzhou City which provides great convenience to the tourists from all over the world