一般自然灰岩坑形成机理是由于有份量的水饱和土导致地下石灰岩洞顶层坍塌，或者由于水加宽了石灰岩床的天然裂缝而导致。
Natural sinkholes generally form when heavy, water-saturated soil causes the roof of an underground limestone cavity to collapse, or when water widens a natural fracture in limestone bedrock.
一般自然灰岩坑形成机理是由于有份量的水饱和土导致地下石灰岩洞顶层坍塌，或者由于水加宽了石灰岩床的天然裂缝而导致。
Natural sinkholes generally form when heavy, water-saturated soil causes the roof of an underground limestone cavity to collapse, or when water widens a natural fracture in limestone bedrock.
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