No joint surface collapse was found.

关节面未见明显塌陷情况。

youdao

Drinking water has not been resolved, surface collapse followed.

饮水没有得到解决，地表坍塌的问题接踵而至。

youdao

The paper deals With mine dewatering and surface collapse and puts forward some proposals.

详细介绍了生产疏干放水与地表塌陷的情况，对存在的问题提出了探索性建议。

youdao

This final collapse of the surface might take anything from a few minutes to several hours.

BBC: Who, What, Why: How are sinkholes formed?

"It can be very difficult to predict collapse because there is very little surface evidence of the features, " says Dr Vanessa Banks, an expert in shallow geohazards and risk at the British Geological Survey.

BBC: Who, What, Why: How are sinkholes formed?

As well as this reduction in area, scientists believe that, hidden beneath the surface, the ice is growing ever thinner, setting up the Arctic for another sudden, catastrophic collapse.

ECONOMIST: An imminent answer to an Arctic riddle