- karst base level
- 岩溶侵蚀: karst erosion
- 基准: datum standard; criterion; r ...
- 侵蚀基准面: base level of corrosion; base level of erosion; baseleveloferosion; datum level of erosion; erosion datum
- 总侵蚀基准面: general base level of erosion
- 河流侵蚀基准面: base level of stream; baselevelofstream; river base level
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