The clay deposits are scattered all over, in ancient volcanic surfaces and heavily cratered highland regions, some of which have apparently been exposed by erosion only recently.
粘土沉积分布在古代的火山表面和坑坑洼洼的高原地区，其中一些显然是最近才由于侵蚀而暴露出来的。
The ancient building waterproof and prevent erosion of harmful substances, while protecting the historic buildings original appearance.
古建筑防水和防止有害物质侵蚀，同时保护古建筑原貌。
The ancient carbonate ancient karst of Well TZ16-TZ24 area can be divided into two main categories, the erosion karst and deep karst.
塔中16 -2 4井区奥陶系碳酸盐岩古岩溶主要分为侵蚀面岩溶和深部岩溶。
The formation mechanism is the flowing water trace to the source erosion-rock collapse-ancient slope withdrawal.
形成机制是流水溯源侵蚀—岩石块体崩塌—谷坡后退。
The formation mechanism is the flowing water trace to the source erosion-rock collapse-ancient slope withdrawal.
形成机制是流水溯源侵蚀—岩石块体崩塌—谷坡后退。
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