Drive Over Structures

Layer of Structures (road and pedestrian bridges, rail bridges, sign gantries and tunnels), in Western Australia. This layer provides general inventory information for all...位于西澳大利亚州的结构图层（Layer of Structures）涵盖道路与人行天桥、铁路桥梁、交通标志龙门架及隧道。该图层可为所有……提供通用的要素库存信息。