黄河山陕峡谷保德-克虎段高阶地砾石层的初步研究
황하산협협곡보덕-극호단고계지력석층적초보연구
Preliminary Study of Alluvial Pebbles on High Terraces of the Yellow River from Baode to Kehu in Shanxi-Shaanxi Gorge
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