1.Horizontal displacement of top coal dump the stent may cause decline, the actual mining process should take the necessary control measures.
顶煤的水平位移可能造成支架的倾倒于下滑，实际开采过程中应采取必要的治理措施。
2.The rise of price level will cause decline of actual living standards of residents, and have an impact on residents' welfare.
价格水平的上涨导致居民实际生活水平的下降，对居民的福利产生了影响。