There are three models of ground subsidence: cave in ground subsidence, sink ground subsidence and graben ground subsidence.
地面塌陷有三种模式,即冒落式地面塌陷、沉陷式地面塌陷和地堑式地面塌陷。
There are three models of ground subsidence: cave in ground subsidence, sink ground subsidence and graben ground subsidence.
地面塌陷有三种模式,即冒落式地面塌陷、沉陷式地面塌陷和地堑式地面塌陷。
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