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随着城市发展,高层建筑和地下工程蓬勃兴起,苏黎世、日内瓦等城市已有七层地下停车场,日本东京修建了地下街。我国不少高层建筑物下修建了地下停车场和地下楼层,不少地下人防工程中修建了地下车间、地下影剧院、地下商场、地下旅馆和地下仓库,有些城市修建了地下隧道和地下铁道,有些地方修建了地下(或岩洞)油库等,
With the development of the city, high-rise buildings and underground projects are booming. There are seven underground parking lots in cities such as Zurich and Geneva, and underground shopping streets are built in Tokyo, Japan. Underground parking lots and underground floors have been constructed under many high-rise buildings in our country. Many underground civil works, underground cinemas, underground shopping malls, underground hotels and underground warehouses have been constructed in some of the underground air defense projects. Some cities have built underground tunnels and underground railroads. In some places Built underground (or cave) depot, etc.,