limestone cave

基本解释

It was formed as a limestone cave during the glacial period.
它是于冰河时期形成的石灰岩洞。
This natural limestone cave is called the "Cave for the Mountain God".
这个天然形成的溶洞被称为“山神洞”。
It was found that the water gushing from the water filled limestone cave contributes the great impact on water environment, which is also the main …
监测和分析认为，隧道揭露的含水溶洞突水对当地水环境影响最大，也是地表降水对隧道支护产生影响的主要通道。