在俄罗斯，这类排水后的泥炭地估计每年释放出1600万吨的气体，而在印度尼西亚，该数字是5080万吨。
In Russia such drainage is reckoned to free 160m tonnes of the gas every year. In Indonesia the figure is 508m tonnes.
研究数字高程模型(DEM)在滑坡地表排水辅助设计中的应用。
This paper studies the application of digital elevation model (DEM) to the design of the surface drainage ditch system.
研究数字高程模型(DEM)在滑坡地表排水辅助设计中的应用。
This paper studies the application of digital elevation model (DEM) to the design of the surface drainage ditch system.
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