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1·Numerous ideas were submitted for the project, including concepts ranging from rolling eggs to tilting tanks, from giant seesaws to overhead monorails.

许多人为该项目提供了想法，包括从滚动的鸡蛋到倾斜的坦克，从巨大的跷跷板到空中单轨铁路等概念。

2·Steel and concrete structural components as well as all platforms, stairs, elevated slabs and monorails.

钢筯混凝土构件及所有平台、楼梯、高架板及单轨。

3·Activity: Running rails and curves for suspended monorails, material transport system, compressed-air cradle drilling machines.

企业行为：悬挂轨道的直轨和弯轨，物料运输系统，气动钻机。

4·On their shopping lists are monorails, bullet-trains and local metros, the first of which (pictured) will open in Dubai in September.

他们所购买的是单轨铁路，快速铁路与地铁。首批工程于今年9月在Dubai启动。

(1)monorail system[机]单轨系统，单轨运输系统