The processes that are both artificial denudation and artificial accumulation to original geomorphy were uninterrupted, and original geomorphy was eroded by floodwater.
我国绝多数挡仍是各种土料堆筑而成,它们在抵御洪突袭时,常有渗漏穿孔险情发生而使人措手不及。
The processes that are both artificial denudation and artificial accumulation to original geomorphy were uninterrupted, and original geomorphy was eroded by floodwater.
我国绝多数挡仍是各种土料堆筑而成,它们在抵御洪突袭时,常有渗漏穿孔险情发生而使人措手不及。
The paleo-geomorphy before the sedimentary of the Permian formation is recovered with the Moulage method, then the karst geomorphy unit is partitioned.
采用印模法恢出本区二叠系沉积前的古地貌,划分出岩溶地貌单元,古地貌恢表明,研究区古地貌总体表现为起伏不,西东低,相对差最约130米。
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