词汇	Canyon topography
释义	Canyon topography 凹陷地形
随便看	economic zone of huaihai Economic zone of southern Sichuan economic zone of western longhai-lanxin economic zones economic zones developed by foreign investors economic zones nearby economic zoology Economides economie economieal choice economieal developmenl economie-automobile economie benefit economie development economie growth mad economic development economie impact economies economies and management economies development Economies Growth economies in transition economie society economies of agglomeration economies of convergence economies of counties