underground void是什么意思 underground void怎么读
underground void的用法和样例
- Overlapping tunnels have emerged in facilitating the underground space utilization.
由于地下空间的不断利用。 - The underground space becomes the inevitable choice of city development as potential and abundant resources.
地下空间作为潜在而丰富的资源成为城市发展的必然选择。
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