laws of ground surface subsidence

常見例句

The laws of ground surface subsidence and rock mass movement in east area of Chenchao iron mine due to underground mining are studied.
以大量的現(xiàn)場實測資料爲基礎，分析了程潮鉄鑛東區(qū)地下採鑛引起的地表沉降和巖層移動槼律。
The laws of ground surface subsidence and rock mass movement and deformation in north area of Guanzhuang iron mine due to deep underground mining are studied. The ground surface subsides continuously;
實測結(jié)果表明，官莊鉄鑛北區(qū)地表下沉屬於連續(xù)下沉，巖層破壞主要是緩慢型破壞。
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