tertiary red-beds第三系红层
Liukuang red beds柳夼红层
Daxiangshan Red Beds Landslide大象山红层滑坡
red beds concined water红层承压水
tertiary red beds第三系红层
Cretaceous oceanic red beds白垩纪大洋红层;大洋红层;白垩系大洋红层
red beds formation红色建造
jurassic cretaceous red beds侏罗纪白垩纪红层
These advantages make the ecological protected slope in red beds soft rock prevent soil erosion and surface weathering effectively.
这些优点使生态防护后的红层软岩边坡能有效防止表层风化剥落和水土流失灾害。
参考来源 - 红层软岩开挖边坡致灾机理及防治技术研究N-PLURAL（复数型名词） sequences of red sedimentary rocks, usually sandstones or shales, coloured by the oxidization of the iron in them 红层